Quick answer (at 3:2)
At 300 DPI a 30 MP image prints about 22.4 × 14.9 inches (56.8 × 37.9 cm) assuming a 3:2 aspect ratio.
By aspect ratio
3:2
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 6,708 × 4,472 | 22.36 × 14.91 in | 56.8 × 37.9 cm |
| 240 | 6,708 × 4,472 | 27.95 × 18.63 in | 71.0 × 47.3 cm |
| 200 | 6,708 × 4,472 | 33.54 × 22.36 in | 85.2 × 56.8 cm |
| 150 | 6,708 × 4,472 | 44.72 × 29.81 in | 113.6 × 75.7 cm |
4:3
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 6,325 × 4,743 | 21.08 × 15.81 in | 53.6 × 40.2 cm |
| 240 | 6,325 × 4,743 | 26.35 × 19.76 in | 66.9 × 50.2 cm |
| 200 | 6,325 × 4,743 | 31.63 × 23.71 in | 80.3 × 60.2 cm |
| 150 | 6,325 × 4,743 | 42.17 × 31.62 in | 107.1 × 80.3 cm |
1:1
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 5,477 × 5,477 | 18.26 × 18.26 in | 46.4 × 46.4 cm |
| 240 | 5,477 × 5,477 | 22.82 × 22.82 in | 58.0 × 58.0 cm |
| 200 | 5,477 × 5,477 | 27.39 × 27.39 in | 69.6 × 69.6 cm |
| 150 | 5,477 × 5,477 | 36.51 × 36.51 in | 92.7 × 92.7 cm |
16:9
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 7,303 × 4,108 | 24.34 × 13.69 in | 61.8 × 34.8 cm |
| 240 | 7,303 × 4,108 | 30.43 × 17.12 in | 77.3 × 43.5 cm |
| 200 | 7,303 × 4,108 | 36.52 × 20.54 in | 92.7 × 52.2 cm |
| 150 | 7,303 × 4,108 | 48.69 × 27.39 in | 123.7 × 69.6 cm |
How we calculate this
- Convert 30 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.