Quick answer (at 3:2)
At 300 DPI a 100 MP image prints about 40.8 × 27.2 inches (103.7 × 69.1 cm) assuming a 3:2 aspect ratio.
By aspect ratio
3:2
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 12,247 × 8,165 | 40.82 × 27.22 in | 103.7 × 69.1 cm |
| 240 | 12,247 × 8,165 | 51.03 × 34.02 in | 129.6 × 86.4 cm |
| 200 | 12,247 × 8,165 | 61.23 × 40.83 in | 155.5 × 103.7 cm |
| 150 | 12,247 × 8,165 | 81.65 × 54.43 in | 207.4 × 138.3 cm |
4:3
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 11,547 × 8,660 | 38.49 × 28.87 in | 97.8 × 73.3 cm |
| 240 | 11,547 × 8,660 | 48.11 × 36.08 in | 122.2 × 91.7 cm |
| 200 | 11,547 × 8,660 | 57.73 × 43.30 in | 146.6 × 110.0 cm |
| 150 | 11,547 × 8,660 | 76.98 × 57.73 in | 195.5 × 146.6 cm |
1:1
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 10,000 × 10,000 | 33.33 × 33.33 in | 84.7 × 84.7 cm |
| 240 | 10,000 × 10,000 | 41.67 × 41.67 in | 105.8 × 105.8 cm |
| 200 | 10,000 × 10,000 | 50.00 × 50.00 in | 127.0 × 127.0 cm |
| 150 | 10,000 × 10,000 | 66.67 × 66.67 in | 169.3 × 169.3 cm |
16:9
| DPI | Pixels (approx) | Inches | Centimeters |
|---|
| 300 | 13,333 × 7,500 | 44.44 × 25.00 in | 112.9 × 63.5 cm |
| 240 | 13,333 × 7,500 | 55.55 × 31.25 in | 141.1 × 79.4 cm |
| 200 | 13,333 × 7,500 | 66.67 × 37.50 in | 169.3 × 95.3 cm |
| 150 | 13,333 × 7,500 | 88.89 × 50.00 in | 225.8 × 127.0 cm |
How we calculate this
- Convert 100 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.