Inch [in] to Millimeter [mm] Converter

in

mm

How to Convert Inch to MillimeterMillimeter

1 in = 25.399999187200024 mm
1 mm = 0.03937008 in

Example: convert 50 in to mm:
50 in = 50 x 25.399999187200024 = 1269.9999593600012 mm

Inch

Definition: An inch (in) is a unit of length in the imperial and United States customary systems. It is defined as exactly 25.4 millimeters.

History/origin: The inch has a long and varied history, with its origins tracing back to ancient Rome. It has been defined in various ways over time, but the modern definition is based on the metric system.

Current use: Inches are commonly used in the United States, Canada, and the United Kingdom for measuring lengths, heights, and distances. They are used in construction, manufacturing, and everyday measurements.

Millimeter

Definition: A millimeter (mm) is a unit of length in the metric system, equal to one thousandth of a meter. It is a decimal fraction of the meter, the SI base unit of length.

History/origin: The millimeter is derived from the meter, which was defined in the late 18th century during the French Revolution as one ten-millionth of the distance from the equator to the North Pole along a meridian. The prefix 'milli-' denotes one thousandth.

Current use: Millimeters are widely used in engineering, manufacturing, construction, and science for precise measurements. They are commonly used in technical drawings, specifications, and for measuring small objects or distances.

Inch to Millimeter Conversion Table

Inch [in]Millimeter [mm]
0.01 in0.25399999187200023 mm
0.1 in2.5399999187200026 mm
1 in25.399999187200024 mm
10 in253.99999187200024 mm
50 in1269.999959360001 mm
100 in2539.999918720002 mm
1000 in25399.999187200025 mm
10000 in253999.99187200025 mm

Common pairs of Length