Image Resolution Calculator
Width (px)
Height (px)
DPI
✓Image Details
Total Pixels
6,000,000
Megapixels
6.00 MP
Print Width
10.00" (25.40 cm)
Print Height
6.67" (16.93 cm)
Image resolution determines print size and quality. 300 DPI is the standard for professional print; 72–96 DPI suits screen display. This converts pixel dimensions to physical print sizes.
- 1Print width (inches) = Pixel width / DPI
- 2Convert to cm: multiply by 2.54
- 3Megapixels = Width px × Height px / 1,000,000
- 4Enlarging beyond native DPI causes pixellation
4000 × 3000 pixels at 300 DPI=13.3" × 10" print (33.9 × 25.4 cm); 12 MP image
| Print size | Pixels needed | Approx MP |
|---|---|---|
| 4"×6" | 1200×1800 | 2.2 MP |
| 5"×7" | 1500×2100 | 3.2 MP |
| 8"×10" | 2400×3000 | 7.2 MP |
| A4 | 2490×3510 | 8.7 MP |
References
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