›› Measurement unit: mm

Full name: millimetre

Plural form: millimetres

Symbol: mm

Alternate spelling: millimeters

Category type: length

Scale factor: 0.001


›› Similar units

megametre
millimetre


›› SI unit: metre

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


›› Convert mm 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: mm

mm to royal foot
mm to nanometre
mm to twip
mm to foot [Netherlands]
mm to line
mm to agate [typographical]
mm to point [TeX]
mm to perch
mm to dra [Iraq]
mm to miil (mijl) [Danish]