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 femtometre
millimetre to zoll [Germany]
millimetre to rod [international]
millimetre to pica
millimetre to faden [Switzerland]
millimetre to ch'ih [China]
millimetre to dra [Russia]
millimetre to mile [nautical, international]
millimetre to league [US statute]
millimetre to elle [Germany]