mm

What is a Millimeter?

Definition

A millimeter is a unit of length equal to one-thousandth of a meter (0.001 m) or 0.03937 inches.

Popular Millimeter Conversions

Most common conversions from Millimeters

1 mm = 0.001 m Millimeter to Meters 1 mm = 0.000001 km Millimeter to Kilometers 1 mm = 0.1 cm Millimeter to Centimeters 1 mm = 0.00000062137 mi Millimeter to Miles 1 mm = 0.0010936133 yd Millimeter to Yards 1 mm = 0.0032808399 ft Millimeter to Feet

History

The millimeter was introduced as part of the metric system in France in the 1790s. The prefix 'milli' comes from the Latin 'mille' meaning thousand.

Common Uses

Engineering and manufacturing tolerances
Rainfall measurements
Paper and film thickness
Medical and scientific measurements

Fun Facts

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A credit card is about 0.76 mm thick

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Human hair is typically 0.05-0.1 mm in diameter

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Camera lens focal lengths are measured in millimeters

All Millimeter Conversions

Millimeters to Meters mm → m Millimeters to Kilometers mm → km Millimeters to Centimeters mm → cm Millimeters to Miles mm → mi Millimeters to Yards mm → yd Millimeters to Feet mm → ft Millimeters to Inches mm → in Millimeters to Nautical Miles mm → nmi Millimeters to Micrometers mm → μm Millimeters to Nanometers mm → nm Millimeters to Light Years mm → ly