# M to KM

Converting meters to kilometers is very easy. The conversion factor from meters to kilometers is a very simple number. In short, the conversion of m to km is very easy to do.

So how much are m to km? You can use the calculator below to get straight to the answer. It only takes less than a second of your time. ### How to Convert M to Km?

1 m = 0.001 km

For example: Convert 2500 m to km

2500 m = 0.001 × 2500 = 2.5 km

### Meter Definition

The meter is the basic unit of length in the International System of Units, and the symbol is m. One meter is equivalent to 1.09361329834 yards. It can be used to measure length, width and height.

The definition of “meter” originated in France. The length of 1 meter was originally defined as one ten-millionth of the distance from the Earth’s equator to the North Pole on the meridian passing through Paris. With the deepening of people’s understanding of metrology, the definition of the length of the meter has been revised several times. From May 20, 2019, the definition of meter is updated to: when the speed of light c in vacuum is expressed in m/s, a fixed value of 299792458 is selected to define the meter.

### Kilometer Definition

Kilometer (symbol : km) refers to a length unit in the International System of Units. One kilometer is equal to 0.6214 miles. It is also equal to 1000 meters.

Kilometer is commonly known as kilometer, and is expressed in English with km (kilometre). In May 1790, a special committee composed of French scientists suggested that the unit of length should be 1/40 millionth of the full length of the earth’s meridian passing through Paris – the meter. 1 kilometer = 1000 meters = 10000 decimeters = 100000 centimeters.