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1px to mm

1px = 0.264583mm

px and mm are both absolute CSS units, so this ratio never changes.

How it is calculated

One px is 0.264583mm, so:

1px × 0.264583 = 0.264583mm

Reversing it, 0.264583mm × 3.7795 returns 1px.

Nearby values

pxmm
1px0.264583mm

Frequently asked questions

What is 1px in mm?

0.264583mm.

How is 1px converted to mm?

Multiply by 0.264583: 1 × 0.264583 = 0.264583. To go back, multiply 0.264583 by 3.7795.

Does zoom or font size change 1px?

No. px and mm are both absolute CSS units, so the ratio is fixed and 1px is 0.264583mm in every context.

The full PX to MM converter → · All CSS unit converters