Length converter
Convert metres, feet, inches and more.
Open toolMillimetres to Inches
Convert millimetres (mm) to inches (in) with a copyable result.
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THE QUICK GUIDE
How to use millimetres to inches
Enter a value in millimetres, choose your display precision, and select Convert. Use Swap units to calculate the reverse direction.
How it works
Length conversion: multiply the value in mm by 0.0393700787402 to obtain in. Both units are related through metres.
A useful example
1 mm = 0.0393700787402 in.
Good to know
Uses length units as labelled. Floating-point arithmetic is approximate; results show up to 12 significant digits. Very large or small results use scientific notation.