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How many mm in 1 decimeter?
The answer is 100.
We assume you are converting between millimetre and decimetre.
You can view more details on each measurement unit:
mm or decimeter
The SI base unit for length is the metre.
1 metre is equal to 1000 mm, or 10 decimeter.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimetres and decimeters.
Type in your own numbers in the form to convert the units!
1 mm to decimeter = 0.01 decimeter
10 mm to decimeter = 0.1 decimeter
50 mm to decimeter = 0.5 decimeter
100 mm to decimeter = 1 decimeter
200 mm to decimeter = 2 decimeter
500 mm to decimeter = 5 decimeter
1000 mm to decimeter = 10 decimeter
You can do the reverse unit conversion from decimeter 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.
A decimetre (US: decimeter; symbol: dm) is a measurement of length, measuring 10 centimetres or one-tenth of a metre.
ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!