Free KDP Cover Template Generator + Spine Calculator
Generate a free KDP cover template with spine width, bleed, full-wrap size, and Canva/Photoshop dimensions for paperback or hardcover.
Last updated: 2026-06-29
Pre-sized KDP cover layout with trim, bleed, spine, and safe-zone guides.
Generate your KDP cover template
KDP template dimensions
Default example: 6 × 9 in paperback, 200 pages. Change the inputs above to regenerate the template.
Spine
0.450"
11.43 mm
Width
12.700"
322.58 mm
Height
9.250"
234.95 mm
| Bleed | 0.125 in |
| Safe zone | 0.125 in |
25.4 mm = 1 in
Quick answer
KDP cover calculator formula for paperback wraps
A KDP paperback cover is one continuous wrap: back cover, spine, and front cover. The full paperback cover width is bleed + back cover + spine + front cover + bleed. The full cover height is bleed + trim height + bleed. Use the KDP cover calculator above to turn that formula into exact inches or millimeters for your trim size, page count, paper type, and binding.
Official reference: KDP Cover Calculator and Templates and KDP Print Publishing Guidelines.
What each calculator result means
| Result field | Formula or value | How to use it |
|---|---|---|
| Full cover width | bleed + back cover + spine + front cover + bleed | Set the custom canvas width for the full paperback wrap. |
| Full cover height | bleed + trim height + bleed | Set the custom canvas height, including the top and bottom bleed. |
| Spine width | page count × paper thickness | Recalculate whenever the final page count or paper type changes. |
| Bleed | 0.125 in on outer edges | Extend backgrounds and edge-to-edge art to the bleed edge. |
| Safe zone | at least 0.25 in from the bleed line | Keep readable text, logos, and key artwork inside this area. |
| Barcode zone | 2 in × 1.2 in on the back cover | Leave this area clear unless you place your own ISBN barcode. |
Why page count changes spine width
KDP spine width is not a fixed value for a trim size. It changes when your formatted page count changes, and it also changes by paper stock. That is why a 6 × 9 paperback with 120 pages needs a different KDP cover template from a 6 × 9 paperback with 300 pages.
| Paper | Factor | Example |
|---|---|---|
| B&W white paper | 0.002252 in/page | 300 pages → 0.6756 in spine |
| B&W cream paper | 0.0025 in/page | 300 pages → 0.75 in spine |
| Color white paper | 0.002347 in/page | 300 pages → 0.7041 in spine |
If the manuscript changes after layout, recalculate before opening a KDP cover template or exporting the final wrap.
KDP cover template structure: back cover + spine + front cover + bleed
A paperback KDP cover template is not just the front cover. It is a single full-wrap canvas with outside bleed, back cover trim, spine width, front cover trim, and safe-zone guides.
The dashed rectangles represent safe zones. Keep titles, logos, and barcode-critical details inside those areas before exporting a print-ready PDF.
Amazon KDP official calculator vs BookCoversLab
Use Amazon KDP as the final source of truth before upload. BookCoversLab adds the design handoff layer: downloadable PDF/PNG templates, Copy Canva Size, and one-click opening in KDP Cover Creator.
| Need | Amazon KDP official tool | BookCoversLab handoff |
|---|---|---|
| Exact size | Official dimensions and template source. | Same input flow, plus readable spine, width, height, bleed, and safe-zone results. |
| Canva or Photoshop setup | Useful after you already know the final upload specs. | Copy the canvas size, download a PDF/PNG template, or open the exact wrap in KDP Cover Creator. |
| Page-count changes | Recheck the official template before publishing. | Recalculate, download a fresh template, then send the corrected dimensions into the creator. |
6 × 9 KDP Cover Calculator Examples (Paperback)
A widely used trade trim across genres. Below are precomputed sizes from our KDP cover calculator, including bleed and spine width.
| Paper (B&W) | Pages | Spine (in) | Full width (in) | Full height (in) |
|---|---|---|---|---|
| White | 100 | 0.225 | 12.475 | 9.250 |
| White | 120 | 0.270 | 12.520 | 9.250 |
| White | 200 | 0.450 | 12.700 | 9.250 |
| White | 300 | 0.676 | 12.926 | 9.250 |
| Cream | 100 | 0.250 | 12.500 | 9.250 |
| Cream | 120 | 0.300 | 12.550 | 9.250 |
| Cream | 200 | 0.500 | 12.750 | 9.250 |
| Cream | 300 | 0.750 | 13.000 | 9.250 |
Full width and height include bleed. For hardcover, dimensions are larger due to wrap and hinge; use the calculator above.
5 × 8 KDP Cover Calculator Examples (Paperback)
A classic compact trim often used for fiction and poetry. Below are precomputed sizes including bleed.
| Paper (B&W) | Pages | Spine (in) | Full width (in) | Full height (in) |
|---|---|---|---|---|
| White | 100 | 0.225 | 10.475 | 8.250 |
| White | 120 | 0.270 | 10.520 | 8.250 |
| White | 200 | 0.450 | 10.700 | 8.250 |
| White | 300 | 0.676 | 10.926 | 8.250 |
| Cream | 100 | 0.250 | 10.500 | 8.250 |
| Cream | 120 | 0.300 | 10.550 | 8.250 |
| Cream | 200 | 0.500 | 10.750 | 8.250 |
| Cream | 300 | 0.750 | 11.000 | 8.250 |
5.5 × 8.5 KDP Cover Calculator Examples (Paperback)
Another popular trade size for both fiction and non‑fiction. Values below include bleed.
| Paper (B&W) | Pages | Spine (in) | Full width (in) | Full height (in) |
|---|---|---|---|---|
| White | 100 | 0.225 | 11.475 | 8.750 |
| White | 120 | 0.270 | 11.520 | 8.750 |
| White | 200 | 0.450 | 11.700 | 8.750 |
| White | 300 | 0.676 | 11.926 | 8.750 |
| Cream | 100 | 0.250 | 11.500 | 8.750 |
| Cream | 120 | 0.300 | 11.550 | 8.750 |
| Cream | 200 | 0.500 | 11.750 | 8.750 |
| Cream | 300 | 0.750 | 12.000 | 8.750 |
How do I set up Photoshop / Canva for KDP covers?
Photoshop
- • Units: Inches; Resolution: 300 DPI
- • Color Mode: CMYK for print preview
- • Canvas Size: Use Full Width × Full Height from the KDP cover calculator
- • Export: PDF/X-1a:2001 or High Quality Print
Canva
- • Create Design > Custom Size: Enter Inches
- • Width/Height: Use the KDP cover calculator Full Width / Full Height values
- • Keep critical text/logos inside the Safe Zone
- • Download: PDF Print (select "Crop marks and bleed")
How to use the KDP cover calculator
Confirm the final page count (any even number between 24–1000); this determines the spine width.
Choose cover type (paperback or hardcover), paper type, trim size, and final page count.
Review the KDP cover calculator output: spine width, full cover width, full cover height, bleed, and safe zone.
Use the values to download a KDP cover template or open the exact size in KDP Cover Creator.
Why trim, bleed, and spine math still cause KDP cover rejections
KDP checks full-wrap dimensions early. If trim, spine width, bleed, or safe-zone values are wrong, even by a small amount, the final cover can be rejected or print off-center.
KDP Cover Calculator Terminology: Dimensions, Bleed & Spine
| Term | Definition | Value |
|---|---|---|
| Bleed (paperback) | Extra area beyond trim to avoid white edges | 0.125 in |
| Safe zone | Keep text/logos inside this distance from trim | ≥ 0.125 in |
| Spine width | Pages × paper thickness (varies by stock) | dynamic |
| Hinge (hardcover) | Flexible zone next to spine | 0.394 in each side |
| Wrap / Turn‑in (hardcover) | Extra area that wraps around boards | 0.591 in each side/top/bottom |
Paperback vs Hardcover KDP Cover Calculator Differences
- • Paperback: width = 2 × trim width + spine + 2 × 0.125 in; height = trim height + 2 × 0.125 in.
- • Hardcover (case laminate): width = 2 × trim width + spine + 0.394 + 2 × 0.591; height = trim height + 0.236 + 2 × 0.591.
- • Spine width depends only on pages × paper thickness (white/cream/color).
Common KDP Cover Calculator Errors & Fixes
| Error | Cause | Fix |
|---|---|---|
| Incorrect trim size | Canvas not set to full width/height including bleed | Recreate the canvas with the calculator output (in/mm). |
| Spine text cutoff | Text outside spine safe zone or font too large | Reduce the font size or increase pages; keep text inside the safe zone. |
| White edge after trimming | Background doesn’t fill the bleed area | Extend artwork into the 0.125 in bleed on outer edges. |
| Blurry print | Effective resolution < 300 DPI at final size | Export a 300 DPI print‑ready PDF. |
KDP Cover Template Generator FAQ
How do I calculate KDP cover size?
What is 0.002252 in KDP spine width calculation?
What size is a 6x9 KDP cover?
Can I download a KDP cover template from this calculator?
Does this KDP cover calculator include the required 0.125" bleed?
Does the KDP cover calculator work for hardcover and paperback?
Why should I export my cover as a 300 DPI PDF?
Where should I leave space for the Amazon barcode?
Why does page count change KDP spine width?
Why did KDP reject my cover size?
Related Resources
After the KDP cover calculator gives you spine width, bleed, and full-wrap dimensions, use these resources to download a template, open the exact size in the creator, or troubleshoot an upload error.
KDP Cover Template Generator
Pick a trim size and download a ready-made KDP cover template after checking the calculator output.
KDP Cover Creator
Design your paperback or hardcover online with the KDP cover calculator dimensions already applied.
Fix KDP Template Size After Page Count Changes
Repair a full-wrap cover when the page count changed after the original template was built.
AI Book Cover Generator
Generate unlimited book cover ideas and genre-specific concepts.
Amazon Book Dimensions Guide: KDP Trim Sizes, Formats, and Cover Math
Compare common Amazon book dimensions and KDP trim sizes, then learn how page count, bleed, and spine width change the final print cover setup.
Quick Size Reference
Fast lookups for standard KDP trim sizes and spine calculations.
KDP Cover Approval Guide
Learn why covers get rejected and how to pass review the first time.
Fix Wrong Canva Sizes
Common Canva export mistakes and how to fix them for KDP print.