Convert kilometer to meter
Enter the value to convert from kilometer to meter.
OR
25 kilometers
How to Convert Kilometer to Meter
Converting kilometer to meter is straightforward using our conversion calculator.
Conversion Formula
m = km × 1000Reverse conversion: Convert meter to kilometer
Comparison: Kilometer vs Meter
When to Use Each Unit
Kilometer: Standard unit for road distances, geographic measurements, and travel distances worldwide except in countries using miles.
Meter: Universal standard for length measurement in science, engineering, and daily life worldwide except in the United States, Myanmar, and Liberia.
Common Conversion Values
- 1 km = 1000 m
- 1 km ≈ 0.621 mi
- 1.609 km = 1 mi
- 1.852 km = 1 nmi
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
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