Millimeters to Inches

Convert millimeters to inches instantly — type a value, get the answer.

Popular toolRemove image backgroundsCut out a subject in one click — free, private, in your browser.Try it
Inches0.0394in

Multiply millimeters by 0.0393700787402 to get inches. 1 mm = 0.0393700787402 in.

Millimeters (mm)Inches (in)
1 mm0.0394 in
2 mm0.0787 in
5 mm0.1969 in
10 mm0.3937 in
25 mm0.9843 in
50 mm1.9685 in
100 mm3.937 in

Common millimeters-to-inches conversions, rounded to 4 decimals.

How to convert millimeters to inches

Multiply the number of millimeters by 0.0393700787402. For example, 10 mm × 0.0393700787402 = 0.3937 in. The converter above does this for any value instantly, and the table below lists the conversions people look up most.

Converting inches back to millimeters

To go the other way, divide the in value by 0.0393700787402 — or multiply by 25.4. So 1 in ≈ 25.4 mm.

Questions

How many inches are in a millimeter?
One millimeter equals 0.0393700787402 inches. Multiply any mm figure by 0.0393700787402 to convert it to in.
How do I convert inches back to millimeters?
Divide the in value by 0.0393700787402, or multiply by 25.4. For example, 5 in ≈ 127 mm.
What is 10 mm in in?
10 mm = 0.3937 in. Type any value into the converter above to see its inches equivalent.