Kilometers to Miles Converter

Convert kilometers to miles with a free calculator

How to Convert Kilometers to Miles

Formula: 1 km = 0.621371 mi

Multiply your kilometers value by 0.621371 to get the equivalent in miles. The conversion factor 0.621371 is based on the internationally accepted definitions of both units.

Kilometers to Miles Reference Table

Kilometers (km)Miles (mi)
1 km0.621371 mi
5 km3.106855 mi
10 km6.21371 mi
25 km15.534275 mi
50 km31.06855 mi
100 km62.1371 mi
500 km310.6855 mi
1000 km621.371 mi

Related Conversions

Miles to Kilometers All Unit Conversions

Frequently Asked Questions

How many miles are in 1 km? +
1 kilometer equals approximately 0.621371 miles. A quick trick: multiply km by 0.6 for a rough estimate.
Is a kilometer longer than a mile? +
No. A mile is longer. 1 mile equals about 1.609 kilometers, so a km is roughly 62% of a mile.
What is the fastest way to estimate km to miles? +
Multiply by 0.6 for a quick estimate. For better accuracy, multiply by 5 and divide by 8. Even better: use Fibonacci numbers, since each consecutive pair approximates the ratio.