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Px to mm
Convert Px to mm online, free and without signing up. Type a value and the result appears as you type, next to the value in every other typography unit. For example, 10 px = 2.64583 mm. Nothing is uploaded: the calculation runs in your browser.
How to convert Px to mm
- 1Type your value in the “Value” field
- 2Check the units in “From” and “To”
- 3Read the result, or press “Swap”
- The result, and the value in every unit.
What happens to your numbers
- Nothing is uploaded.The calculation runs in your browser, on your own device.
- Every unit at once.A table shows your value in all the other typography units.
- Works offline.Once the tool has been opened, it needs no connection.
What you can do
- Type any value, including decimals and negative numbers, and see the result as you type.
- See your value in every typography unit in the table below the result.
- Press “Swap” to turn the conversion around, or pick other units in “From” and “To”.
Good to know
- Here a pixel (px) is the CSS pixel: 1/96 of an inch, 0.2646 mm. Real screens have different physical pixel sizes, so this is a reference value.
- A millimetre (mm) is 1/1,000 of a metre. In print, paper sizes and margins are given in mm. 1 mm is about 3.78 CSS pixels or 2.83 points.
- Pixels are counted at 96 per inch and points at 72 per inch, as in CSS. That makes 1 pt equal to 1.3333 px. Units like em, rem and pica are not included.
- Results are shown with up to 10 significant digits. Very large or very small numbers appear in exponent form, for example 1.5e+16.
Questions
Are my values sent to a server?
No. The calculation runs in your browser, on your own device. Nothing you type is sent to us or anyone else.
How do I convert Px to mm?
Type your value in the “Value” field. The result appears at once, for example 10 px = 2.64583 mm. “Swap” turns the conversion around.
How many pixels is 12 pt?
12 pt is 16 px, because 1 pt is 4/3 px. To get px from pt, multiply by 1.3333. To get pt from px, multiply by 0.75.