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Millimetre (mm - Metric), length
A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre (the metre is the International System of Units (SI) base unit of length). The millimetre is part of a metric system. The corresponding unit of area is the square millimetre and the corresponding unit of volume is the cubic millimetre.
1 mm
is equal to
6.21×10-7 mi
Metric
-
10-6
-
10-3
-
0.01
-
0.1
-
1
-
1,000
-
1,000,000
-
10,000,000
British/American
Nautical
-
5.4×10-7
-
5.47×10-4
Astronomical
-
3.24×10-20
-
1.06×10-19
-
6.68×10-15
-
5.56×10-14
-
3.34×10-12