›› Measurement unit: millimeter

Full name: millimetre

Plural form: millimetres

Symbol: mm

Alternate spelling: millimeters

Category type: length

Scale factor: 0.001


›› SI unit: metre

The SI base unit for length is the metre.
1 metre is equal to 1000 millimeter.


›› Convert millimeter to another unit

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›› Definition: Millimeter

A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.


›› Sample conversions: millimeter

millimeter to milha [Portuguese]
millimeter to lug [great]
millimeter to attometre
millimeter to button measure
millimeter to yard
millimeter to palmo [Portuguese]
millimeter to metric mile [high school]
millimeter to didot point
millimeter to parsec
millimeter to rood