Spine width for a 100-page 5.06×7.81 inch KDP paperback
Exact spine width for a 100-page 5.06×7.81 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
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Spine Width
Expert articles on KDP formatting, self-publishing, and book design for UK authors. 98 guides and counting.
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KDP Formatting
97 articlesSpine width for a 100-page 5.25×8 inch KDP paperback
Exact spine width for a 100-page 5.25×8 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 5.5×8.5 inch KDP paperback
Exact spine width for a 100-page 5.5×8.5 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 5×8 inch KDP paperback
Exact spine width for a 100-page 5×8 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 6.14×9.21 inch KDP paperback
Exact spine width for a 100-page 6.14×9.21 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 6.69×9.61 inch KDP paperback
Exact spine width for a 100-page 6.69×9.61 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 6×9 inch KDP paperback
Exact spine width for a 100-page 6×9 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 7.5×9.25 inch KDP paperback
Exact spine width for a 100-page 7.5×9.25 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 7×10 inch KDP paperback
Exact spine width for a 100-page 7×10 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 8.5×11 inch KDP paperback
Exact spine width for a 100-page 8.5×11 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 8.5×8.5 inch KDP paperback
Exact spine width for a 100-page 8.5×8.5 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 8×10 inch KDP paperback
Exact spine width for a 100-page 8×10 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 5.06×7.81 inch KDP paperback
Exact spine width for a 150-page 5.06×7.81 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 5.25×8 inch KDP paperback
Exact spine width for a 150-page 5.25×8 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 5.5×8.5 inch KDP paperback
Exact spine width for a 150-page 5.5×8.5 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 5×8 inch KDP paperback
Exact spine width for a 150-page 5×8 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 6.14×9.21 inch KDP paperback
Exact spine width for a 150-page 6.14×9.21 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 6.69×9.61 inch KDP paperback
Exact spine width for a 150-page 6.69×9.61 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 6×9 inch KDP paperback
Exact spine width for a 150-page 6×9 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 7.5×9.25 inch KDP paperback
Exact spine width for a 150-page 7.5×9.25 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 7×10 inch KDP paperback
Exact spine width for a 150-page 7×10 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 8.5×11 inch KDP paperback
Exact spine width for a 150-page 8.5×11 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 8.5×8.5 inch KDP paperback
Exact spine width for a 150-page 8.5×8.5 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 8×10 inch KDP paperback
Exact spine width for a 150-page 8×10 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 5.06×7.81 inch KDP paperback
Exact spine width for a 200-page 5.06×7.81 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 5.25×8 inch KDP paperback
Exact spine width for a 200-page 5.25×8 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 5.5×8.5 inch KDP paperback
Exact spine width for a 200-page 5.5×8.5 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 5×8 inch KDP paperback
Exact spine width for a 200-page 5×8 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 6.14×9.21 inch KDP paperback
Exact spine width for a 200-page 6.14×9.21 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 6.69×9.61 inch KDP paperback
Exact spine width for a 200-page 6.69×9.61 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 6×9 inch KDP paperback
Exact spine width for a 200-page 6×9 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 7.5×9.25 inch KDP paperback
Exact spine width for a 200-page 7.5×9.25 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 7×10 inch KDP paperback
Exact spine width for a 200-page 7×10 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 8.5×11 inch KDP paperback
Exact spine width for a 200-page 8.5×11 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 8.5×8.5 inch KDP paperback
Exact spine width for a 200-page 8.5×8.5 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 8×10 inch KDP paperback
Exact spine width for a 200-page 8×10 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 5.06×7.81 inch KDP paperback
Exact spine width for a 250-page 5.06×7.81 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 5.25×8 inch KDP paperback
Exact spine width for a 250-page 5.25×8 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 5.5×8.5 inch KDP paperback
Exact spine width for a 250-page 5.5×8.5 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 5×8 inch KDP paperback
Exact spine width for a 250-page 5×8 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 6.14×9.21 inch KDP paperback
Exact spine width for a 250-page 6.14×9.21 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 6.69×9.61 inch KDP paperback
Exact spine width for a 250-page 6.69×9.61 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 6×9 inch KDP paperback
Exact spine width for a 250-page 6×9 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 7.5×9.25 inch KDP paperback
Exact spine width for a 250-page 7.5×9.25 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 7×10 inch KDP paperback
Exact spine width for a 250-page 7×10 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 8.5×11 inch KDP paperback
Exact spine width for a 250-page 8.5×11 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 8.5×8.5 inch KDP paperback
Exact spine width for a 250-page 8.5×8.5 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 8×10 inch KDP paperback
Exact spine width for a 250-page 8×10 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 5.06×7.81 inch KDP paperback
Exact spine width for a 300-page 5.06×7.81 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 5.25×8 inch KDP paperback
Exact spine width for a 300-page 5.25×8 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 5.5×8.5 inch KDP paperback
Exact spine width for a 300-page 5.5×8.5 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 5×8 inch KDP paperback
Exact spine width for a 300-page 5×8 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 6.14×9.21 inch KDP paperback
Exact spine width for a 300-page 6.14×9.21 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 6.69×9.61 inch KDP paperback
Exact spine width for a 300-page 6.69×9.61 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 6×9 inch KDP paperback
Exact spine width for a 300-page 6×9 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 7.5×9.25 inch KDP paperback
Exact spine width for a 300-page 7.5×9.25 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 7×10 inch KDP paperback
Exact spine width for a 300-page 7×10 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 8.5×11 inch KDP paperback
Exact spine width for a 300-page 8.5×11 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 8.5×8.5 inch KDP paperback
Exact spine width for a 300-page 8.5×8.5 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 8×10 inch KDP paperback
Exact spine width for a 300-page 8×10 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 5.06×7.81 inch KDP paperback
Exact spine width for a 400-page 5.06×7.81 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 5.25×8 inch KDP paperback
Exact spine width for a 400-page 5.25×8 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 5.5×8.5 inch KDP paperback
Exact spine width for a 400-page 5.5×8.5 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 5×8 inch KDP paperback
Exact spine width for a 400-page 5×8 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 6.14×9.21 inch KDP paperback
Exact spine width for a 400-page 6.14×9.21 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 6.69×9.61 inch KDP paperback
Exact spine width for a 400-page 6.69×9.61 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 6×9 inch KDP paperback
Exact spine width for a 400-page 6×9 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 7.5×9.25 inch KDP paperback
Exact spine width for a 400-page 7.5×9.25 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 7×10 inch KDP paperback
Exact spine width for a 400-page 7×10 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 8.5×11 inch KDP paperback
Exact spine width for a 400-page 8.5×11 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 8.5×8.5 inch KDP paperback
Exact spine width for a 400-page 8.5×8.5 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 8×10 inch KDP paperback
Exact spine width for a 400-page 8×10 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 5.06×7.81 inch KDP paperback
Exact spine width for a 50-page 5.06×7.81 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 5.25×8 inch KDP paperback
Exact spine width for a 50-page 5.25×8 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 5.5×8.5 inch KDP paperback
Exact spine width for a 50-page 5.5×8.5 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 5×8 inch KDP paperback
Exact spine width for a 50-page 5×8 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 6.14×9.21 inch KDP paperback
Exact spine width for a 50-page 6.14×9.21 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 6.69×9.61 inch KDP paperback
Exact spine width for a 50-page 6.69×9.61 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 6×9 inch KDP paperback
Exact spine width for a 50-page 6×9 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 7.5×9.25 inch KDP paperback
Exact spine width for a 50-page 7.5×9.25 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 7×10 inch KDP paperback
Exact spine width for a 50-page 7×10 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 8.5×11 inch KDP paperback
Exact spine width for a 50-page 8.5×11 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 8.5×8.5 inch KDP paperback
Exact spine width for a 50-page 8.5×8.5 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 8×10 inch KDP paperback
Exact spine width for a 50-page 8×10 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 5.06×7.81 inch KDP paperback
Exact spine width for a 500-page 5.06×7.81 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 5.25×8 inch KDP paperback
Exact spine width for a 500-page 5.25×8 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 5.5×8.5 inch KDP paperback
Exact spine width for a 500-page 5.5×8.5 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 5×8 inch KDP paperback
Exact spine width for a 500-page 5×8 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 6.14×9.21 inch KDP paperback
Exact spine width for a 500-page 6.14×9.21 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 6.69×9.61 inch KDP paperback
Exact spine width for a 500-page 6.69×9.61 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 6×9 inch KDP paperback
Exact spine width for a 500-page 6×9 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 7.5×9.25 inch KDP paperback
Exact spine width for a 500-page 7.5×9.25 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 7×10 inch KDP paperback
Exact spine width for a 500-page 7×10 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 8.5×11 inch KDP paperback
Exact spine width for a 500-page 8.5×11 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 8.5×8.5 inch KDP paperback
Exact spine width for a 500-page 8.5×8.5 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 8×10 inch KDP paperback
Exact spine width for a 500-page 8×10 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP error: Spine too narrow for spine text
Why KDP rejected your cover for spine text on a too-thin book — and the exact fix. UK-specific, 2026 spec.
Tools & Software
97 articlesSpine width for a 100-page 5.06×7.81 inch KDP paperback
Exact spine width for a 100-page 5.06×7.81 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 5.25×8 inch KDP paperback
Exact spine width for a 100-page 5.25×8 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 5.5×8.5 inch KDP paperback
Exact spine width for a 100-page 5.5×8.5 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 5×8 inch KDP paperback
Exact spine width for a 100-page 5×8 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 6.14×9.21 inch KDP paperback
Exact spine width for a 100-page 6.14×9.21 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 6.69×9.61 inch KDP paperback
Exact spine width for a 100-page 6.69×9.61 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 6×9 inch KDP paperback
Exact spine width for a 100-page 6×9 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 7.5×9.25 inch KDP paperback
Exact spine width for a 100-page 7.5×9.25 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 7×10 inch KDP paperback
Exact spine width for a 100-page 7×10 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 8.5×11 inch KDP paperback
Exact spine width for a 100-page 8.5×11 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 8.5×8.5 inch KDP paperback
Exact spine width for a 100-page 8.5×8.5 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 100-page 8×10 inch KDP paperback
Exact spine width for a 100-page 8×10 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 5.06×7.81 inch KDP paperback
Exact spine width for a 150-page 5.06×7.81 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 5.25×8 inch KDP paperback
Exact spine width for a 150-page 5.25×8 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 5.5×8.5 inch KDP paperback
Exact spine width for a 150-page 5.5×8.5 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 5×8 inch KDP paperback
Exact spine width for a 150-page 5×8 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 6.14×9.21 inch KDP paperback
Exact spine width for a 150-page 6.14×9.21 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 6.69×9.61 inch KDP paperback
Exact spine width for a 150-page 6.69×9.61 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 6×9 inch KDP paperback
Exact spine width for a 150-page 6×9 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 7.5×9.25 inch KDP paperback
Exact spine width for a 150-page 7.5×9.25 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 7×10 inch KDP paperback
Exact spine width for a 150-page 7×10 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 8.5×11 inch KDP paperback
Exact spine width for a 150-page 8.5×11 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 8.5×8.5 inch KDP paperback
Exact spine width for a 150-page 8.5×8.5 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 150-page 8×10 inch KDP paperback
Exact spine width for a 150-page 8×10 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 5.06×7.81 inch KDP paperback
Exact spine width for a 200-page 5.06×7.81 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 5.25×8 inch KDP paperback
Exact spine width for a 200-page 5.25×8 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 5.5×8.5 inch KDP paperback
Exact spine width for a 200-page 5.5×8.5 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 5×8 inch KDP paperback
Exact spine width for a 200-page 5×8 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 6.14×9.21 inch KDP paperback
Exact spine width for a 200-page 6.14×9.21 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 6.69×9.61 inch KDP paperback
Exact spine width for a 200-page 6.69×9.61 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 6×9 inch KDP paperback
Exact spine width for a 200-page 6×9 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 7.5×9.25 inch KDP paperback
Exact spine width for a 200-page 7.5×9.25 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 7×10 inch KDP paperback
Exact spine width for a 200-page 7×10 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 8.5×11 inch KDP paperback
Exact spine width for a 200-page 8.5×11 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 8.5×8.5 inch KDP paperback
Exact spine width for a 200-page 8.5×8.5 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 200-page 8×10 inch KDP paperback
Exact spine width for a 200-page 8×10 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 5.06×7.81 inch KDP paperback
Exact spine width for a 250-page 5.06×7.81 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 5.25×8 inch KDP paperback
Exact spine width for a 250-page 5.25×8 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 5.5×8.5 inch KDP paperback
Exact spine width for a 250-page 5.5×8.5 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 5×8 inch KDP paperback
Exact spine width for a 250-page 5×8 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 6.14×9.21 inch KDP paperback
Exact spine width for a 250-page 6.14×9.21 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 6.69×9.61 inch KDP paperback
Exact spine width for a 250-page 6.69×9.61 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 6×9 inch KDP paperback
Exact spine width for a 250-page 6×9 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 7.5×9.25 inch KDP paperback
Exact spine width for a 250-page 7.5×9.25 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 7×10 inch KDP paperback
Exact spine width for a 250-page 7×10 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 8.5×11 inch KDP paperback
Exact spine width for a 250-page 8.5×11 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 8.5×8.5 inch KDP paperback
Exact spine width for a 250-page 8.5×8.5 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 250-page 8×10 inch KDP paperback
Exact spine width for a 250-page 8×10 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 5.06×7.81 inch KDP paperback
Exact spine width for a 300-page 5.06×7.81 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 5.25×8 inch KDP paperback
Exact spine width for a 300-page 5.25×8 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 5.5×8.5 inch KDP paperback
Exact spine width for a 300-page 5.5×8.5 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 5×8 inch KDP paperback
Exact spine width for a 300-page 5×8 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 6.14×9.21 inch KDP paperback
Exact spine width for a 300-page 6.14×9.21 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 6.69×9.61 inch KDP paperback
Exact spine width for a 300-page 6.69×9.61 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 6×9 inch KDP paperback
Exact spine width for a 300-page 6×9 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 7.5×9.25 inch KDP paperback
Exact spine width for a 300-page 7.5×9.25 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 7×10 inch KDP paperback
Exact spine width for a 300-page 7×10 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 8.5×11 inch KDP paperback
Exact spine width for a 300-page 8.5×11 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 8.5×8.5 inch KDP paperback
Exact spine width for a 300-page 8.5×8.5 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 300-page 8×10 inch KDP paperback
Exact spine width for a 300-page 8×10 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 5.06×7.81 inch KDP paperback
Exact spine width for a 400-page 5.06×7.81 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 5.25×8 inch KDP paperback
Exact spine width for a 400-page 5.25×8 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 5.5×8.5 inch KDP paperback
Exact spine width for a 400-page 5.5×8.5 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 5×8 inch KDP paperback
Exact spine width for a 400-page 5×8 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 6.14×9.21 inch KDP paperback
Exact spine width for a 400-page 6.14×9.21 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 6.69×9.61 inch KDP paperback
Exact spine width for a 400-page 6.69×9.61 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 6×9 inch KDP paperback
Exact spine width for a 400-page 6×9 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 7.5×9.25 inch KDP paperback
Exact spine width for a 400-page 7.5×9.25 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 7×10 inch KDP paperback
Exact spine width for a 400-page 7×10 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 8.5×11 inch KDP paperback
Exact spine width for a 400-page 8.5×11 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 8.5×8.5 inch KDP paperback
Exact spine width for a 400-page 8.5×8.5 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 400-page 8×10 inch KDP paperback
Exact spine width for a 400-page 8×10 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 5.06×7.81 inch KDP paperback
Exact spine width for a 50-page 5.06×7.81 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 5.25×8 inch KDP paperback
Exact spine width for a 50-page 5.25×8 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 5.5×8.5 inch KDP paperback
Exact spine width for a 50-page 5.5×8.5 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 5×8 inch KDP paperback
Exact spine width for a 50-page 5×8 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 6.14×9.21 inch KDP paperback
Exact spine width for a 50-page 6.14×9.21 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 6.69×9.61 inch KDP paperback
Exact spine width for a 50-page 6.69×9.61 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 6×9 inch KDP paperback
Exact spine width for a 50-page 6×9 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 7.5×9.25 inch KDP paperback
Exact spine width for a 50-page 7.5×9.25 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 7×10 inch KDP paperback
Exact spine width for a 50-page 7×10 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 8.5×11 inch KDP paperback
Exact spine width for a 50-page 8.5×11 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 8.5×8.5 inch KDP paperback
Exact spine width for a 50-page 8.5×8.5 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 50-page 8×10 inch KDP paperback
Exact spine width for a 50-page 8×10 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 5.06×7.81 inch KDP paperback
Exact spine width for a 500-page 5.06×7.81 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 5.25×8 inch KDP paperback
Exact spine width for a 500-page 5.25×8 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 5.5×8.5 inch KDP paperback
Exact spine width for a 500-page 5.5×8.5 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 5×8 inch KDP paperback
Exact spine width for a 500-page 5×8 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 6.14×9.21 inch KDP paperback
Exact spine width for a 500-page 6.14×9.21 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 6.69×9.61 inch KDP paperback
Exact spine width for a 500-page 6.69×9.61 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 6×9 inch KDP paperback
Exact spine width for a 500-page 6×9 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 7.5×9.25 inch KDP paperback
Exact spine width for a 500-page 7.5×9.25 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 7×10 inch KDP paperback
Exact spine width for a 500-page 7×10 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 8.5×11 inch KDP paperback
Exact spine width for a 500-page 8.5×11 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 8.5×8.5 inch KDP paperback
Exact spine width for a 500-page 8.5×8.5 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Spine width for a 500-page 8×10 inch KDP paperback
Exact spine width for a 500-page 8×10 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Spine Width Calculator — Calculate Exact Spine Measurement
Calculate the exact spine width for your KDP paperback. Enter page count and paper type to get precise spine measurements for your book cover design.