https://publishing.co.uk/tags/trim-size/Recent content in Trim Size on publishing.co.uk — Professional KDP Book FormattingHugoen-gbSat, 21 Mar 2026 00:00:00 +0000https://publishing.co.uk/guides/kdp-trim-size-guide/Sat, 21 Mar 2026 00:00:00 +0000https://publishing.co.uk/guides/kdp-trim-size-guide/<style> .tool-container{max-width:900px;margin:0 auto 2rem} .tool-card-calc{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;margin:1.5rem 0;box-shadow:var(--shadow)} .filter-row{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem} .filter-row select,.filter-row input{padding:.6rem 1rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font);font-size:.9rem;background:var(--white)} .filter-row select:focus,.filter-row input:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px rgba(107,33,168,.1)} .filter-row input{flex:1;min-width:200px} .trim-table{width:100%;border-collapse:collapse;font-size:.88rem} .trim-table th,.trim-table td{padding:.7rem .85rem;text-align:left;border-bottom:1px solid var(--border)} .trim-table th{background:#f8f5f0;font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);position:sticky;top:0;z-index:1} .trim-table tr:hover{background:#faf5ff} .trim-table .badge{display:inline-block;padding:.15rem .5rem;border-radius:9999px;font-size:.72rem;font-weight:600} .badge-popular{background:#f3e8ff;color:var(--indigo)} .badge-fiction{background:#fce7f3;color:#9d174d} .badge-nonfiction{background:#dbeafe;color:#1e40af} .badge-children{background:#d1fae5;color:#065f46} .badge-photo{background:#fef3c7;color:#92400e} .genre-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.25rem;margin:1.5rem 0} .genre-card{border:1px solid var(--border);border-radius:var(--radius-sm);padding:1.5rem;transition:all var(--transition);cursor:pointer} .genre-card:hover{border-color:var(--indigo);box-shadow:var(--shadow-md);transform:translateY(-2px)} .genre-card.active{border-color:var(--indigo);background:#faf5ff;box-shadow:var(--shadow-md)} .genre-card h4{margin-bottom:.5rem;font-size:1rem} .genre-card .sizes{font-size:.88rem;color:var(--muted);margin-bottom:.5rem} .genre-card .uk-note{font-size:.82rem;color:var(--indigo);font-style:italic} .size-preview{display:flex;align-items:flex-end;gap:1rem;justify-content:center;padding:2rem;background:#f8f5f0;border-radius:var(--radius);margin:1.5rem 0;min-height:200px;flex-wrap:wrap} .size-box{background:var(--white);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:600;color:var(--muted);transition:all .3s ease;position:relative} .size-box.highlighted{border-color:var(--indigo);background:#faf5ff;color:var(--indigo)} .size-box .size-label{position:absolute;bottom:-20px;font-size:.65rem;white-space:nowrap} .cta-box{background:linear-gradient(135deg,var(--indigo),#5b1a91);color:var(--white);border-radius:var(--radius);padding:2rem;text-align:center;margin:2.5rem 0} .cta-box h3{color:var(--white);margin-bottom:.5rem} .cta-box p{color:rgba(255,255,255,.85);margin-bottom:1rem} .cta-box .btn{background:var(--white);color:var(--indigo);padding:.75rem 2rem;border-radius:9999px;font-weight:600;text-decoration:none;display:inline-block} .related-tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:1.5rem 0} .related-tool{border:1px solid var(--border);border-radius:var(--radius-sm);padding:1.25rem;text-align:center;transition:all var(--transition)} .related-tool:hover{border-color:var(--indigo);box-shadow:var(--shadow-md);transform:translateY(-2px)} .related-tool h4{font-size:.95rem;margin-bottom:.35rem} .related-tool p{font-size:.82rem;color:var(--muted);margin:0} .table-wrap{overflow-x:auto;margin:1rem 0;border:1px solid var(--border);border-radius:var(--radius-sm)} </style> <p>Find the perfect trim size for your Amazon KDP paperback. Use the genre selector below to see recommended sizes, or browse the complete filterable table of all available KDP trim sizes.</p>