Full name: millimetre
Plural form: millimetres
Alternate spelling: millimeters
Category type: length
Scale factor: 0.001
The SI base unit for length is the metre.
1 metre is equal to 1000 millimetre.
Valid units must be of the length type.
You can use this form to select from known units:
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.
millimetre to hectometre
millimetre to light day
millimetre to chain [Gunter, survey]
millimetre to pole
millimetre to hair's breadth
millimetre to foot [Rome]
millimetre to gigametre
millimetre to tu
millimetre to agate [typographical]
millimetre to finger