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Convert Millimeters to Inches

1 millimeter = 0.039370079 inches. Multiply the number of millimeters by 0.0393700787402.

Result
0.03937007874

1 mm = 0.03937007874 in

Multiply the number of millimeters by 0.0393700787402.

Results are rounded for display. Double-check values for critical work.

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Popular length & distance conversions

Millimeters to Inches table

MillimetersInches
1 mm0.039370079 in
2 mm0.078740157 in
3 mm0.11811024 in
4 mm0.15748031 in
5 mm0.19685039 in
10 mm0.39370079 in
20 mm0.78740157 in
25 mm0.98425197 in
50 mm1.9685039 in
100 mm3.9370079 in
500 mm19.685039 in
1000 mm39.370079 in

About these units

The millimeter (mm) is a metric unit of length & distance, equal to 0.001 meters.

The inch (in) is an imperial unit of length & distance, equal to 0.0254 meters.

Going the other way, 1 inch = 25.4 millimeters. Length is the most converted quantity on the web. Whether you are reading a European recipe, buying timber in feet, or checking a running route in kilometres, this converter moves between every common metric, imperial and astronomical unit with full precision.

Frequently asked

How many inches are in a millimeter?
1 millimeter = 0.039370079 inches.
How do you convert millimeters to inches?
Multiply the number of millimeters by 0.0393700787402.
What is 10 mm in in?
10 mm = 0.39370079 in.

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