Convert kilometers (km) to miles, meters, yards, feet, and other length units.
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The kilometer (km) is a metric unit of length equal to exactly 1,000 meters, the standard for measuring long distances — between cities, in navigation, and on road signs — in most countries worldwide.
Common Kilometer Conversions
- 1 km = 1,000 m — exact value by definition.
- 1 km ≈ 0.621 mi — multiply by 0.621 to convert to miles.
- 1 km = 100,000 cm — one kilometer equals one hundred thousand centimeters.
- 1 km ≈ 1,093.6 yd — multiply by 1,093.6 to convert to yards.
- 1 km ≈ 3,280.8 ft — multiply by 3,280.8 to convert to feet.
Kilometers are used in most countries for road distances and speed. The US and the UK are the main exceptions — miles prevail there. Kilometers to miles is one of the most common length conversions when traveling.