DPMM to PPI
100 DPMM = 2,540 PPI
2,540
About these units
DPMM
Dots per millimeter measures resolution in print and imaging, useful for high-detail output and scanning.
PPI
Pixels per inch measures display sharpness: how many pixels fit in one inch. Modern phone screens exceed 400 ppi.
Conversion formula
To convert DPMM to PPI, multiply the value by 25.4.
Quick reference
| DPMM | PPI |
|---|---|
| 1 | 25.4 |
| 2 | 50.8 |
| 5 | 127 |
| 10 | 254 |
| 100 | 2,540 |
Frequently asked questions
- How many PPI are in one DPMM?
- 1 DPMM = 25.4 PPI.
- How many DPMM are in one PPI?
- 1 PPI = 0.03937007874 DPMM.
Related tools
px
Typography
Convert between pixels, points, em, and rem. Configurable base font size and DPI.
m
Length
Convert between meters, feet, inches, miles, kilometers, and more.
#
Color Picker & Converter
Pick a color and convert between HEX, RGB, HSL, OKLCH, and CMYK
file
File Converter
Convert images and documents between formats