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Convert Meter to Millimeter

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

From: meter
To: millimeter
     

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

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 to Millimeter Conversion Table

Meter [m]Millimeter [mm]
0.01 m10 mm
0.1 m100 mm
1 m1000 mm
2 m2000 mm
3 m3000 mm
5 m5000 mm
10 m10000 mm
20 m20000 mm
50 m50000 mm
100 m100000 mm
1000 m1000000 mm


How to Convert Meter to Millimeter

1 m = 1000 mm
1 mm = 0.001 m

Example: convert 15 m to mm:
15 m = 15 × 1000 mm = 15000 mm



Convert Meter to Other Typography Units