Convert centimeters to pixels at 300 dpi: px = cm ÷ 2.54 × 300. Quick print sizing for metric documents and photos.
| Input | Result |
|---|---|
| 10 cm at 300 dpi | 1,181 px |
| 15 cm at 300 dpi | 1,772 px |
| 21 cm at 300 dpi | 2,480 px |
10 ÷ 2.54 × 300 ≈ 1,181 px. A 10 × 15 cm print needs 1,181 × 1,772 px.
15 ÷ 2.54 × 300 ≈ 1,772 px — the long edge of a classic 10 × 15 cm photo print.
Yes — DPI is always per inch. The cm math just converts your metric size into inches first (divide by 2.54).