Miles to Kilometers Converter

Convert miles to kilometers with a free calculator

How to Convert Miles to Kilometers

Formula: 1 mi = 1.60934 km

Multiply your miles value by 1.60934 to get the equivalent in kilometers. The conversion factor 1.60934 is based on the internationally accepted definitions of both units.

Miles to Kilometers Reference Table

Miles (mi)Kilometers (km)
1 mi1.60934 km
5 mi8.0467 km
10 mi16.0934 km
25 mi40.2335 km
50 mi80.467 km
100 mi160.934 km
500 mi804.67 km
1000 mi1609.34 km

Related Conversions

Kilometers to Miles All Unit Conversions

Frequently Asked Questions

How many km are in 1 mile? +
1 mile equals approximately 1.60934 kilometers. For a rough estimate, multiply miles by 1.6.
How far is a marathon in km? +
A marathon is 26.2 miles, which equals 42.195 kilometers.
Why do most countries use kilometers? +
The metric system was designed for simplicity and universal adoption. Only the US, Liberia, and Myanmar still primarily use miles for road distances.