Pixels to millimeters
Type a value in px to get it in mm instantly.
4.233mm
That's 1.09× as big as body text, while a heading is 2× bigger. That is about 4.233 mm tall on paper.
What it means
How big is that?
A CSS pixel is defined as 1/96 inch, so 16 px is exactly 12 pt regardless of screen density.
The math
How to convert px to mm
To convert pixels to millimeters, multiply by 0.264583.
Example: 16 px × 0.264583 = 4.23333 mm.
In the other direction, 1 mm = 3.77953 px.
Every unit
Your size in every unit
Tables
px to mm conversion table
| px | mm |
|---|---|
| 6 px | 1.5875 mm |
| 8 px | 2.11667 mm |
| 9 px | 2.38125 mm |
| 10 px | 2.64583 mm |
| 11 px | 2.91042 mm |
| 12 px | 3.175 mm |
| 14 px | 3.70417 mm |
| 16 px | 4.23333 mm |
| 18 px | 4.7625 mm |
| 24 px | 6.35 mm |
| 36 px | 9.525 mm |
| 48 px | 12.7 mm |
| 72 px | 19.05 mm |
| 96 px | 25.4 mm |
mm to px conversion table
| mm | px |
|---|---|
| 6 mm | 22.6772 px |
| 8 mm | 30.2362 px |
| 9 mm | 34.0157 px |
| 10 mm | 37.7953 px |
| 11 mm | 41.5748 px |
| 12 mm | 45.3543 px |
| 14 mm | 52.9134 px |
| 16 mm | 60.4724 px |
| 18 mm | 68.0315 px |
| 24 mm | 90.7087 px |
| 36 mm | 136.063 px |
| 48 mm | 181.417 px |
| 72 mm | 272.126 px |
| 96 mm | 362.835 px |
Quick answers
Quick answers
- How many mm is 1 px?
- 1 px is 0.264583 mm.
- How many mm is 10 px?
- 10 px is 2.64583 mm.
- How many mm is 16 px?
- 16 px is 4.23333 mm.
The units
About these units
Pixels (px)
The CSS pixel: 1/96 inch by definition, not a physical screen dot. Browsers default to 16 px body text.
Millimeters (mm)
Metric type sizing, used in European print specifications and signage.
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