Converters
Length Converter
Convert between metric and imperial length units — meters, kilometers, miles, feet, inches and more.
1 km equals
0.621371 mi
How it works
Enter a value, choose the unit you have and the unit you want, and the result updates instantly. Use the swap button to reverse the conversion. All units share a common base (meters) for accuracy.
Common conversions
1 kilometer = 0.621 miles, 1 meter = 3.281 feet, and 1 inch = 2.54 centimeters. Nautical miles are included for aviation and marine use.
Frequently Asked Questions
They use exact internationally-defined factors, so results are accurate to several decimal places.