DPI to Dots/cm (DPI to Dots/cm)
Result
0.3937007874 Dots/cm
Formula
Dots/cm = DPI × 0.3937007874
1 DPI = 0.3937007874 Dots/cm, and 1 Dots/cm = 2.54 DPI.
In CSS and desktop publishing, 1 inch = 72 points = 96 pixels, so 1 px = 0.75 pt. The em is relative to the current font size; this converter assumes a 12 pt base.
Worked examples
- 1 DPI × 0.3937007874 = 0.39370079 Dots/cm
- 10 DPI × 0.3937007874 = 3.9370079 Dots/cm
- 100 DPI × 0.3937007874 = 39.370079 Dots/cm
Common mistakes
- CSS pixels are reference units, not physical screen pixels; high-density displays draw several device pixels per CSS pixel.
- An em depends on the font size it is used in. Change the base and every em value changes.
DPI to Dots/cm table
| DPI (DPI) | Dots/cm (Dots/cm) |
|---|---|
| 1 | 0.39370079 |
| 2 | 0.78740157 |
| 5 | 1.9685039 |
| 10 | 3.9370079 |
| 20 | 7.8740157 |
| 50 | 19.685039 |
| 100 | 39.370079 |
| 1,000 | 393.70079 |
The units
- DPI (DPI)
- A unit of typography.
- Dots/cm (Dots/cm)
- 1 Dots/cm = 2.54 DPI.
Sources for these factors
Last reviewed against these sources. An automated check recomputes every factor from its definition on each build. How we check accuracy