Length
Millimeters to Inches
Convert between millimeters, centimeters and inches. One inch is exactly 25.4 millimeters.
How this is calculated
- in = mm ÷ 25.4
- mm = in × 25.4
Checked against known values
- 1 in = 25.4 mm
- 100 mm = 3.937008 in
- 1 cm = 10 mm