Length unit converter

inches to mm converter From To mminch mminch inch mm 1 inch 25.40 mm 2 inch 50.80 mm 3 inch 76.20 mm 4 inch 101.60 mm 5 inch 127.00 mm What is inch? The inch is a unit of length in the (British) imperial and United States customary systems of measurement. What is mm? The […]

The millimeter is a unit of length in the metric system, equal to one-thousandth of a meter. SI base unit of length is mm (millimeter). SI unit symbol is mm. Use our online mm to inch converter for easy calculation.