Miles to Kilometers Converter

Miles to Kilometers Converter

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Formula: multiply miles by 1.60934 to get kilometers

How to convert miles to kilometers

To convert miles to kilometers, multiply the number of miles by 1.60934. For example, 10 miles × 1.60934 = 16.09 km. Going the other way, multiply kilometers by 0.62137 to get miles.

A quick mental estimate: multiply miles by 1.6 or multiply by 8 and divide by 5. So 10 miles ≈ 16 km. This is accurate to within 0.6% and works well for everyday use.

Miles are used in the United States, United Kingdom, and a few other countries for road distances and speed limits. Most other countries use kilometers. This conversion is commonly needed when traveling internationally or reading maps from different countries.

Miles to kilometers conversion table

Miles (mi) Kilometers (km) Meters (m)
0.5 mi0.805 km804.67 m
1 mi1.609 km1609.34 m
2 mi3.219 km3218.69 m
3 mi4.828 km4828.03 m
5 mi8.047 km8046.72 m
10 mi16.093 km16093.4 m
13.1 mi (half marathon)21.082 km21082 m
20 mi32.187 km32186.9 m
26.2 mi (marathon)42.165 km42165 m
50 mi80.467 km80467.2 m
100 mi160.934 km160934 m
500 mi804.672 km804672 m

Frequently asked questions

How many kilometers is 1 mile?
1 mile = 1.60934 kilometers. For a quick estimate, 1 mile ≈ 1.6 km.
How many miles is 5 km?
5 km = 3.107 miles. A 5K race is approximately 3.1 miles. Calculation: 5 ÷ 1.60934 = 3.107 miles.
How many miles is 10 km?
10 km = 6.214 miles. A 10K race is approximately 6.2 miles. Calculation: 10 ÷ 1.60934 = 6.214 miles.
How many km is a marathon?
A marathon is 26.2188 miles = 42.195 kilometers. A half marathon is 13.1094 miles = 21.0975 kilometers.
How many miles is 100 km?
100 km = 62.137 miles. Calculation: 100 ÷ 1.60934 = 62.14 miles.