MM to Inches Converter

Convert millimeters to inches with accurate formulas, examples and conversion tables.

Length conversion

Calculator

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Result

0.39370079 in

10 mm ≈ 0.39370079 in

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Popular length conversions

Open a focused converter for a commonly searched length conversion.

Centimeters to Inches1 cm = 0.39370079 in Inches to Centimeters1 in = 2.54 cm Meters to Feet1 m = 3.2808399 ft Feet to Meters1 ft = 0.3048 m Kilometers to Miles1 km = 0.62137119 mi Miles to Kilometers1 mi = 1.609344 km Millimeters to Inches1 mm = 0.03937008 in Inches to Millimeters1 in = 25.4 mm

Conversion table

Common millimeters to inches values, generated from the selected units.

millimeters (mm)	inches (in)
1 millimeter	0.03937008 inches
5 millimeters	0.19685039 inches
10 millimeters	0.39370079 inches
20 millimeters	0.78740157 inches
50 millimeters	1.96850394 inches
100 millimeters	3.93700787 inches

Formula

Divide the value in millimeters by 25.4 to get inches.

in = mm ÷ 25.4

Example

Convert 10 millimeters:

10 mm ≈ 0.39370079 in

10 millimeters is approximately 0.39370079 inches.

Unit information

Concise reference information for the selected source and target units.

Millimeter (mm)

Metric

1 mm = 0.001 m

Definition: One millimeter is one-thousandth of a meter.
Usage: Used for precise dimensions, manufacturing, medicine, and rainfall.

Inch (in)

Imperial

1 in = 0.0254 m

Definition: One international inch equals exactly 25.4 millimeters.
Usage: Common in the United States and for screens, hardware, and construction materials.

Frequently asked questions

How many inches are in 1 millimeter?

1 millimeter equals 0.03937007874 inches.

How do you convert millimeters to inches?

Divide the value in millimeters by 25.4 to get inches. The formula is in = mm ÷ 25.4.

What is 10 millimeters in inches?