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Miles to Kilometers

Convert miles (mi) to kilometers (km). Type in either box; the other updates as you go.

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1 mi = 1.609344 km

1 mile equals1.609344 km
1 kilometer equals0.6213711922 mi
Formulakm = mi × 1.609344

How to convert miles to kilometers

To convert miles to kilometers, multiply the number of miles by 1.609344.

km = mi × 1.609344

Example

Convert 5 miles to kilometers:

5 mi × 1.609344 = 8.04672 km

Mile to kilometer conversion chart

Miles (mi)Kilometers (km)
1 mi1.609344 km
2 mi3.218688 km
3 mi4.828032 km
4 mi6.437376 km
5 mi8.04672 km
6 mi9.656064 km
7 mi11.26541 km
8 mi12.87475 km
9 mi14.4841 km
10 mi16.09344 km
12 mi19.31213 km
15 mi24.14016 km
20 mi32.18688 km
25 mi40.2336 km
30 mi48.28032 km
40 mi64.37376 km
50 mi80.4672 km
60 mi96.56064 km
70 mi112.6541 km
75 mi120.7008 km
80 mi128.7475 km
90 mi144.841 km
100 mi160.9344 km
150 mi241.4016 km
200 mi321.8688 km
250 mi402.336 km
500 mi804.672 km
1,000 mi1,609.344 km

Going the other way? See the kilometers to miles chart.

Common miles to kilometers conversions

Each value has its own page with the working, the answer in other units and nearby values.

About the units

Mile (mi)

A mile is 5,280 feet, or exactly 1,609.344 meters. Road distances and speeds in the US and UK use miles.

Kilometer (km)

A kilometer is 1,000 meters. Road distances and running races outside the US and UK are measured in kilometers.

Frequently asked questions

How many kilometers are in a mile?

There are 1.609344 kilometers in a mile.

How many miles are in a kilometer?

There are 0.6213711922 miles in a kilometer.

How do you convert miles to kilometers?

To convert miles to kilometers, multiply the number of miles by 1.609344.

What is 5 miles in kilometers?

5 miles equals 8.04672 kilometers.

Is there a quick way to convert miles to km?

Multiply by 1.6, or use the Fibonacci trick: consecutive Fibonacci numbers are close to miles and kilometers, so 5 miles is about 8 km and 8 miles is about 13 km.

Convert between metric and imperial units of length and distance, from millimeters to miles. Open the length converter to see a value in every unit at once.