Quick answer (at 3:2)
At 300 DPI a 12 MP image prints about 14.1 × 9.4 inches (35.9 × 23.9 cm) assuming a 3:2 aspect ratio.
By aspect ratio
3:2
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 4,243 × 2,828 | 14.14 × 9.43 in | 35.9 × 23.9 cm |
| 240 | 4,243 × 2,828 | 17.68 × 11.78 in | 44.9 × 29.9 cm |
| 200 | 4,243 × 2,828 | 21.21 × 14.14 in | 53.9 × 35.9 cm |
| 150 | 4,243 × 2,828 | 28.29 × 18.85 in | 71.8 × 47.9 cm |
4:3
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 4,000 × 3,000 | 13.33 × 10.00 in | 33.9 × 25.4 cm |
| 240 | 4,000 × 3,000 | 16.67 × 12.50 in | 42.3 × 31.8 cm |
| 200 | 4,000 × 3,000 | 20.00 × 15.00 in | 50.8 × 38.1 cm |
| 150 | 4,000 × 3,000 | 26.67 × 20.00 in | 67.7 × 50.8 cm |
1:1
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 3,464 × 3,464 | 11.55 × 11.55 in | 29.3 × 29.3 cm |
| 240 | 3,464 × 3,464 | 14.43 × 14.43 in | 36.7 × 36.7 cm |
| 200 | 3,464 × 3,464 | 17.32 × 17.32 in | 44.0 × 44.0 cm |
| 150 | 3,464 × 3,464 | 23.09 × 23.09 in | 58.7 × 58.7 cm |
16:9
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 4,619 × 2,598 | 15.40 × 8.66 in | 39.1 × 22.0 cm |
| 240 | 4,619 × 2,598 | 19.25 × 10.82 in | 48.9 × 27.5 cm |
| 200 | 4,619 × 2,598 | 23.09 × 12.99 in | 58.7 × 33.0 cm |
| 150 | 4,619 × 2,598 | 30.79 × 17.32 in | 78.2 × 44.0 cm |
How we calculate this
- Convert 12 MP to approximate pixels for an aspect ratio.
- Divide each pixel dimension by DPI → inches:
inches = pixels ÷ DPI. - Convert inches to centimeters:
cm = inches × 2.54.