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Convert Millimeter to Meter

Please provide values below to convert millimeter [mm] to meter [m], or vice versa.

From: millimeter
To: meter
     

Millimeter

Definition: A millimeter (symbol: mm) is a unit of length in the International System of Units (SI). It is defined in terms of the meter, as 1/1000 of a meter, or the distance traveled by light in 1/299 792 458 000 of a second.

History/origin: The milli- prefix is one of many metric prefixes. It indicates one thousandth of the base unit, in this case the meter. The definition of the meter has changed over time, the current definition being based on the distance traveled by the speed of light in a given amount of time. The relationship between the meter and the millimeter is constant however. Prior to this definition, the meter was based on the length of a prototype meter bar. In 2019, the meter has been re-defined based on the changes made to the definition of a second.

Meter

Definition: A meter, or metre (symbol: m), is the base unit of length and distance in the International System of Units (SI). The meter is defined as the distance traveled by light in 1/299 792 458 of a second. This definition was slightly modified in 2019 to reflect changes in the definition of the second.

History/origin: Originally, in 1793, the meter was defined as one ten-millionth of the distance from the equator to the North Pole. This changed in 1889, when the International prototype metre was established as the length of a prototype meter bar (made of an alloy of 90% platinum and 10% iridium) measured at the melting point of ice. In 1960, the meter was again redefined, this time in terms of a certain number of wavelengths of a certain emission line of krypton-86. The current definition of the meter is effectively the same as the definition that was adopted in 1983, with slight modifications due to the change in definition of the second.

Current use: Being the SI unit of length, the meter is used worldwide in many applications such as measuring distance, height, length, width, etc. The United States is one notable exception in that it largely uses US customary units such as yards, inches, feet, and miles instead of meters in everyday use.



Millimeter to Meter Conversion Table

Millimeter [mm]Meter [m]
0.01 mm1.0E-5 m
0.1 mm0.0001 m
1 mm0.001 m
2 mm0.002 m
3 mm0.003 m
5 mm0.005 m
10 mm0.01 m
20 mm0.02 m
50 mm0.05 m
100 mm0.1 m
1000 mm1 m


How to Convert Millimeter to Meter

1 mm = 0.001 m
1 m = 1000 mm

Example: convert 15 mm to m:
15 mm = 15 × 0.001 m = 0.015 m



Convert Millimeter to Other Typography Units