Convert meter to kilometer
Enter the value to convert from meter to kilometer.
How to Convert Meter to Kilometer
Converting meter to kilometer is straightforward using our conversion calculator.
Conversion Formula
km = m ÷ 1000Reverse conversion: Convert kilometer to meter
Comparison: Meter vs Kilometer
When to Use Each Unit
Meter: Universal standard for length measurement in science, engineering, and daily life worldwide except in the United States, Myanmar, and Liberia.
Kilometer: Standard unit for road distances, geographic measurements, and travel distances worldwide except in countries using miles.
Common Conversion Values
- 1 m = 100 cm
- 1 m = 1000 mm
- 1 m ≈ 3.28 ft
- 1000 m = 1 km
About Meter
Definition: The meter (symbol: m) is the SI base unit of length, defined as the distance light travels in vacuum in 1/299,792,458 of a second.
History: Originally defined in 1793 as one ten-millionth of the distance from equator to North Pole. Redefined multiple times, with current definition adopted in 1983.
Current Use: Universal standard for length measurement in science, engineering, and daily life worldwide except in the United States, Myanmar, and Liberia.
Examples: Room dimensions: 3-5m, human height: 1.5-2m, door height: 2m, car length: 4-5m
About Kilometer
Definition: The kilometer (symbol: km) is a unit of length equal to one thousand meters. Primary unit for measuring longer distances on Earth.
History: Introduced with the metric system to replace traditional long-distance units like leagues and miles in metric countries.
Current Use: Standard unit for road distances, geographic measurements, and travel distances worldwide except in countries using miles.
Examples: City distances: 5-50km, marathon: 42.2km, country sizes: hundreds to thousands of km