How many mm in 1 U?
The answer is 44.45.
We assume you are converting between millimetre and U.
You can view more details on each measurement unit: mm or
U
The SI base unit for length is the metre.
1 metre is equal to 1000 mm, or 22.497187851519 U.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimetres and U.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of mm to U

1 mm to U = 0.0225 U

10 mm to U = 0.22497 U

20 mm to U = 0.44994 U

30 mm to U = 0.67492 U

40 mm to U = 0.89989 U

50 mm to U = 1.12486 U

100 mm to U = 2.24972 U

200 mm to U = 4.49944 U

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You can do the reverse unit conversion from
U to mm, or enter any two units below:

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.

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