Pixel conversion guide
Pixels to CM at 300 DPI: Conversion Table and Formula
Pixels do not have a fixed centimeter size until you choose a PPI value. 300 PPI is common for close-viewed print.
Quick answer
At 300 PPI, centimeters = pixels / 300 x 2.54. For example, 300 pixels is 2.54 cm, 1080 pixels is 9.14 cm and 1920 pixels is 16.26 cm.
Why PPI is required
A pixel is a digital sample, not a physical unit. The same 1000 pixel image can appear at different physical sizes on different screens or prints.
PPI creates the bridge. At 300 PPI, 300 pixels occupy one inch. Since one inch is 2.54 cm, 300 pixels equals 2.54 cm.
Use cases
Use 300 PPI for photo prints, close-viewed artwork and print services that request high-density images.
Use 96 PPI only for CSS or screen layout references. It should not be treated as a universal print size.
Pixels to centimeters at 300 PPI
| Pixels | Centimeters | Inches |
|---|---|---|
| 300 | 2.54 | 1.00 |
| 600 | 5.08 | 2.00 |
| 1080 | 9.14 | 3.60 |
| 1920 | 16.26 | 6.40 |
| 3000 | 25.40 | 10.00 |
| 4000 | 33.87 | 13.33 |
Frequently asked questions
How many cm is 1000 pixels at 300 DPI?
1000 / 300 x 2.54 = 8.47 cm.
Is DPI the same as PPI here?
For image sizing, PPI is more precise. Many people say DPI when they mean image pixels per inch.
Can I use this for screens?
Only if you know the actual screen PPI or CSS display size. Pixels do not convert to centimeters by themselves.