Typography and Screen Length conversion

Convert Millimeter to Inch

1 millimeter (mm) equals 0.03937007874 inch (in). Enter any value below to convert from mm to in.

Enter a value and choose units. Results update instantly.

1 mm = 0.0393700787 in

All Typography units

From 1 mm
UnitValue
Inch in 0.0393700787
CSS pixel (96 PPI) px 3.7795275591
Point pt 2.8346456693
Pica pc 0.2362204724
Millimeter mm 1
Centimeter cm 0.1
Twip twip 56.6929133858
Recent conversions
  1. Your recent conversions stay on this device.

Formula

mm to in conversion formula

Use this relationship for a direct conversion:

in = mm x 0.03937007874

Worked example

2 mm = 0.0787401575 in.

Pixel conversions assume 96 pixels per inch. Use actual device or print PPI when physical pixel size matters.

Quick reference

Millimeter to Inch table

Millimeter (mm)Inch (in)
0.010.0003937008
0.10.0039370079
10.0393700787
20.0787401575
50.1968503937
100.3937007874
250.9842519685
501.968503937
1003.937007874
1,00039.3700787402

From unit

About the millimeter

One thousandth of a meter.

Symbol: mm

To unit

About the inch

The physical reference length, exactly 25.4 millimeters.

Symbol: in

Keep converting

Related conversions

Inch to MillimeterReverse this conversion Millimeter to CSS pixel (96 PPI)mm to pxMillimeter to Pointmm to ptMillimeter to Picamm to pcMillimeter to Centimetermm to cmMillimeter to Twipmm to twip

Source

Conversion standard

Definitions are checked against CSS Values and Units Level 4. Calculations use full internal precision before display rounding.

View the complete typography and screen length converter

Questions

mm to in FAQ

How do you convert millimeter to inch?

Use the formula in = mm x 0.03937007874. 1 millimeter (mm) equals 0.03937007874 inch (in).

Is the mm to in conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.