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KDP 6x9 Cover vs 5x8 Cover

A 6 x 9 KDP cover is larger and common for trade paperbacks. A 5 x 8 cover is more compact and changes both cover height and front/back cover width.

Last checked: 2026-05-03

Source confidence: Calculated Last checked: 2026-05-03 Source: KDP Cover Calculator and Templates Found a spec change? Send correction.

How we calculate this

Methodology and source handling

We compare dimensions, aspect ratio, area difference, and crop risk so the page answers which size fits the job.

Quick answer

Copy-ready answer

A 6 x 9 KDP cover is larger and common for trade paperbacks. A 5 x 8 cover is more compact and changes both cover height and front/back cover width.

KDP 6x9 Cover vs 5x8 Cover

Dimensions and specs

KDP 6x9 Cover Calculated from 6 x 9 in trim plus spine and bleed
KDP 5x8 Cover Calculated from 5 x 8 in trim plus spine and bleed

Formula

How to calculate this size

Print formulapixels = inches x PPI

Convert physical size to inches, then multiply each side by the target PPI.

Digital formularatio = width / height

Match the target aspect ratio before exporting to avoid unexpected crop or padding.

Bleed formulafull size = trim + bleed x 2

Add bleed to both sides of each dimension before calculating the final canvas.

Common mistakes

Avoid these kdp 6x9 cover vs 5x8 cover problems

Starting without the destination

Confirm whether the final output is print, upload, screen, or a template.

Ignoring aspect ratio

A size mismatch creates crop, padding, or distortion at export.

Skipping the source check

Confirm sources, limits, and output settings before sending the file onward.

Tools

Resize workflow

Open both source pages before exporting. If the aspect ratios differ, rebuild text and safe-area placement instead of only scaling the same artwork.

Decision

Which one should you use?

A 6 x 9 KDP cover is larger and common for trade paperbacks. A 5 x 8 cover is more compact and changes both cover height and front/back cover width.

Compare

Dimensions and crop

AssetSizeBest use
KDP 6x9 Cover Calculated from 6 x 9 in trim plus spine and bleed Use when the destination is KDP 6x9 Cover.
KDP 5x8 Cover Calculated from 5 x 8 in trim plus spine and bleed Use when the destination is KDP 5x8 Cover.

Related

Related pages and tools

Same branch

Nearby pages

References

Sources and references

Dimensions come from PixelMeasures reference entries and listed source documentation. Area, aspect-ratio, and crop implications are calculated editorial guidance.

Last checked: 2026-05-03