Meter to Kilometer

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Result

0.001

km

Conversion rate: 1 m = 0.001 km

Showing up to 4 decimal

How it works

The converter uses exact SI-based factors (e.g., 1 foot = 0.3048 meters, 1 inch = 0.0254 meters).

Formula: kilometers = meter × 0.001

Results show between 0 and 8 decimal places and hide trailing zeros for readability.

Conversion Table

Meter Kilometer
0.001 m 0.000001 km
0.01 m 0.00001 km
0.1 m 0.0001 km
1 m 0.001 km
10 m 0.01 km
100 m 0.1 km
1000 m 1 km

History

Meter (m)

The meter, abbreviated as m, serves as the fundamental unit of length in the International System of Units (SI). Initially established during the French Revolution in 1793, it was meant to represent one ten-millionth of the distance from the equator to the North Pole, measured along the Paris meridian. This original measurement relied on geodetic surveys. In 1983, the definition was updated to use the speed of light: a meter is now the length that light travels in a vacuum in 1/299,792,458 of a second. This redefinition provides exceptional accuracy and consistency worldwide, making the meter essential in science, engineering, and daily life. While most countries rely on the meter, some, like the United States, continue to use imperial measurements for certain purposes.

Kilometer (km)

The kilometer, or km, is a unit in the metric system that equals 1,000 meters. It was established as part of the metric system during the French Revolution and soon became the default for measuring longer distances. The word “kilometer” is derived from the Greek for “thousand” (chilioi) and “measure” (metron). Kilometers are widely adopted for measuring travel distances, geographic features, maps, and sporting events in most countries. In contrast, the mile is still used in countries like the United States and the UK. The kilometer’s decimal structure makes calculations simple and has been essential to transportation planning, GPS technologies, and international measurement standards.

Other Relevant Conversions

m → cm m → mm m → km m → in m → ft m → yd m → mi m → µm m → nm cm → m cm → mm cm → km cm → in cm → ft cm → yd cm → mi cm → µm cm → nm mm → m mm → cm mm → km mm → in mm → ft mm → yd mm → mi mm → µm mm → nm km → m km → cm km → mm km → in km → ft km → yd km → mi km → µm km → nm in → m in → cm in → mm in → km in → ft in → yd in → mi in → µm in → nm ft → m ft → cm ft → mm ft → km ft → in ft → yd ft → mi ft → µm ft → nm yd → m yd → cm yd → mm yd → km yd → in yd → ft yd → mi yd → µm yd → nm mi → m mi → cm mi → mm mi → km mi → in mi → ft mi → yd mi → µm mi → nm µm → m µm → cm µm → mm µm → km µm → in µm → ft µm → yd µm → mi µm → nm nm → m nm → cm nm → mm nm → km nm → in nm → ft nm → yd nm → mi nm → µm