Contact

Miles to Kilometers Converter (mi to km)

This miles to kilometers calculator converts mi to km instantly.

⇄
Formula: km = mi × 1.609344

Miles to Kilometers Conversion Table (mi to km)

Quick reference for mi to km conversion. Use this table to convert miles to kilometers fast for common values like 1 mi, 5 mi, and 26.2 mi. The miles to kilometers formula is km = mi × 1.609344.

Miles (mi) Kilometers (km) Context
0.1 mi 0.1609344 km Very short distance
0.5 mi 0.804672 km Half mile
1 mi 1.609344 km Exactly 1 mile
2 mi 3.218688 km Short run
3 mi 4.828032 km Common run distance
5 mi 8.04672 km Fitness distance
10 mi 16.09344 km Long run
13.1 mi 21.0827424 km Half marathon
26.2 mi 42.1648128 km Marathon
100 mi 160.9344 km Long trip distance

The Miles to Kilometers Formula (mi to km)

km = mi × 1.609344 Kilometers = Miles × 1.609344

To convert miles to kilometers, multiply the miles value by 1.609344. This works because 1 mile = 1.609344 km.

Worked Examples (Convert mi to km)

1 mi to km
1 × 1.609344 = 1.609344 km
Exactly 1 mile
5 mi to km
5 × 1.609344 = 8.04672 km
Common distance
10 mi to km
10 × 1.609344 = 16.09344 km
Long run
26.2 mi to km
26.2 × 1.609344 = 42.1648128 km
Marathon distance

How to Convert Miles to Kilometers

Take the value in miles, multiply by 1.609344, and the result is in kilometers.

Reverse Formula (Kilometers to Miles)

mi = km ÷ 1.609344 Miles = Kilometers ÷ 1.609344

Use our Kilometers to Miles Converter → for the reverse operation.

How to Convert mi to km — Step by Step (mi to km)

1
Start with the distance in miles (mi).
Example: 5 mi
2
Multiply by 1.609344 to convert mi to km.
5 × 1.609344 = 8.04672
3
The result is the kilometers value (km).
Answer: 8.04672 km
4
Optional check. Divide the kilometers result by 1.609344 to confirm you get back the original miles value.
8.04672 ÷ 1.609344 = 5 mi ✓
Note: This is the full rule: km = mi × 1.609344. Since 1 mi = 1.609344 km, this conversion is exact.

About Miles and Kilometers

Miles (mi) are used mainly in the United States and a few other places, while kilometers (km) are the standard metric unit for longer distances worldwide. The relationship is exact: 1 mile equals 1.609344 km.

Key Reference Points

Distance Miles (mi) Kilometers (km) Context
1 mile 1 mi 1.609344 km Exact conversion base
5-mile run 5 mi 8.04672 km Common distance
Half marathon 13.1 mi 21.0827424 km Race distance
Marathon 26.2 mi 42.1648128 km Race distance

Miles to Kilometers Conversion Chart (mi to km)

Quick reference for mi to km conversion. Use the calculator above to convert any value instantly.

0 mi0 km
0.1 mi0.1609344 km
0.25 mi0.402336 km
0.5 mi0.804672 km
1 mi1.609344 km
2 mi3.218688 km
3 mi4.828032 km
5 mi8.04672 km
10 mi16.09344 km
13.1 mi21.0827424 km
26.2 mi42.1648128 km
100 mi160.9344 km

Frequently Asked Questions

Use km = mi × 1.609344. Multiply miles by 1.609344 to get kilometers.
Take the value in miles and multiply by 1.609344: km = mi × 1.609344.
1 × 1.609344 = 1.609344 km.
5 × 1.609344 = 8.04672 km.
26.2 × 1.609344 = 42.1648128 km.
1 mi = 1.609344 km.
1 km ≈ 0.621371 mi.

Length Converters

Kilometers to Miles Miles to Kilometers Kilometers to Meters Meters to Kilometers Meters to Miles Meters to Feet