Target Focus: KDP Cover (6 × 9 in front) (6.125 × 9.25 in)
Amazon KDP Cover Resolution Calculator
Calculate exact pixel dimensions for Amazon KDP front covers, full wraps, and interior pages at 300 DPI.
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Amazon KDP Standard
KDP Cover (6 × 9 in front) Complete Dimensions & Resolution Blueprint
Front cover dimension for Amazon KDP trade books with standard 0.125" bleed.
Imperial Dimensions6.125 × 9.25 inchesStandard US frame size
Metric Millimeters156 × 235 mmPrepress & offset standard
Metric Centimeters15.6 × 23.5 cmFraming & matting measure
Aspect Ratio1.51:1Photo frame ratio
Required Pixels for KDP Cover (6 × 9 in front) by DPI Quality Level
| Print Quality | DPI | Required Pixels (W × H) | Megapixels | Use Case Recommendation |
|---|---|---|---|---|
| Draft Screen Only | 72 DPI | 441 × 666 px | 0.29 MP | Web & draft display only (soft on paper) |
| Newspaper / Poster | 150 DPI | 919 × 1,388 px | 1.28 MP | Good for distance viewing (>3 ft / 1 meter) |
| Desktop Photo | 200 DPI | 1,225 × 1,850 px | 2.27 MP | Solid desktop / home laser printer quality |
| Commercial Print | 300 DPI | 1,838 × 2,775 px | 5.1 MP | Close inspection: Photo lab & fine press benchmark |
| Fine Art / Archival | 600 DPI | 3,675 × 5,550 px | 20.4 MP | Ultra-fine archival giclée & sharp vector text |
Is 300 DPI Universally Required for KDP Cover (6 × 9 in front)?
While 300 DPI (1,838 × 2,775 px) is the standard benchmark for close-up handheld viewing, it is not universally mandatory for every printing project. The appropriate resolution depends on four key factors:
1. Viewing DistancePrints held at arm's length (12 in) benefit from 300 DPI, while wall prints viewed from 3–5 feet away look crisp at 150–200 DPI.
2. Physical Print SizeSmall frames require high pixel density, whereas large posters and signs require far lower DPI to appear sharp to the human eye.
3. Print Method & SubstrateGlossy photo paper and offset presses capture micro-detail, while textured canvas, matte watercolor paper, and textiles naturally mask lower DPI.
4. Printer & Provider SpecsBook publishers (e.g. Amazon KDP) mandate strict 300 DPI files in preflight, whereas sign and banner shops typically request 100–150 DPI.
Calculating KDP Cover Pixels
Front Cover Trim: 6 × 9 inches.
With Bleed (0.125" top, bottom, outside): 6.125 × 9.25 inches.
At 300 DPI: 1838 × 2775 pixels minimum.
Frequently Asked Questions
For Kindle eBooks, 72 DPI is acceptable because digital readers scale to screen size. For printed paperbacks, 300 DPI is required.