How to Convert PPI to PPMM
To convert ppi to ppmm, divide the value by 25.4.
The Formula
PPMM = PPI ÷ 25.4
Key Fact
1 pixels per millimeter = 25.4 ppi
Tip: To convert ppmm back to ppi, multiply by 25.4.
PPI to PPMM
Convert ppi (PPI) to ppmm (PPMM) with formulas, examples, and conversion tables.
PPI
PPMM
1 PPI = 0.0394 PPMM
Full precision:0.03937008 PPMM
Step-by-Step Solution
To convert 1 ppi to ppmm, we divide by 25.4 because one pixels per millimeter equals exactly 25.4 ppi.
1 pixels per millimeter = 25.4 ppi
Since there are 25.4 ppi in every pixels per millimeter, we divide our value by this factor:
1 ÷ 25.4 = 0.0394 ppmm
So 1 ppi = 0.0394 ppmm.
Quick check: 0.0394 × 25.4 = 1 ppi
Example Conversions
Example 1: 1 PPI = 0.0394 PPMM
1 ÷ 25.4 = 0.0394
1 ÷ 25.4 = 0.0394
Example 2: 5 PPI = 0.1969 PPMM
5 ÷ 25.4 = 0.1969
5 ÷ 25.4 = 0.1969
Example 3: 10 PPI = 0.3937 PPMM
10 ÷ 25.4 = 0.3937
10 ÷ 25.4 = 0.3937
PPI to PPMM Table
| PPI | PPMM |
|---|---|
| 1 PPI | 0.0394 PPMM |
| 2 PPI | 0.0787 PPMM |
| 5 PPI | 0.1969 PPMM |
| 10 PPI | 0.3937 PPMM |
| 20 PPI | 0.7874 PPMM |
| 25 PPI | 0.9843 PPMM |
| 50 PPI | 1.9685 PPMM |
| 100 PPI | 3.937 PPMM |
| 250 PPI | 9.8425 PPMM |
| 500 PPI | 19.685 PPMM |
| 1000 PPI | 39.3701 PPMM |
1 Pixels per Inch in Other Units
| Unit | 1 PPI = |
|---|---|
| PPI to DPI Converter | 1 DPI |
| PPI to Pixels per cm | 0.393701 PPCM |
| PPI to DPCM | 0.393701 DPCM |
| PPI to PPMM | 0.03937 PPMM |