Calculators » Conversion » Length » Mm to in/ In to mm

Convert between Millimeters and Inches

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert length/ distance units from millimeters to inches and inches to millimeters.

Length in millimeters (mm)

Length in inches (in)

Enter the value you want to convert, and leave the target field blank.

Android: Use this length converter offline with our all-in-one calculator app.

Conversion formula

1 inch (in) = 25.4 millimeters (mm)

1 millimeter (mm) = 0.0393701 inches (in)

Length converter:

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