Miles to Kilometers Converter
Convert miles to kilometers instantly. Exact formula, quick chart and examples. Free, no signup.
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About the Miles to Kilometers Converter
This free miles to kilometers converter gives the exact result as you type, with no button to press and no signup. It is built for everyday use in the US: recipes, travel, fitness, weather, school work and shopping. The formula and a quick reference chart are included below so you can check the math yourself.
Need the opposite direction? Use the Kilometers to Miles converter.
How to use it
- Type the number of miles in the first box.
- Read the result in kilometers immediately below.
- Use the chart on this page for common values you can check at a glance.
Miles to Kilometers formula
km = miles × 1.609344
Example: 10 mi × conversion = 16.093 km.
Quick mental estimate: multiply miles by 1.6, or add half plus a tenth. 60 miles is about 60 + 30 + 6 = 96 km (exact: 96.56 km).
mi to km chart
| Miles (mi) | Kilometers (km) |
|---|---|
| 1 mi | 1.609 km |
| 3.1 mi | 4.989 km |
| 5 mi | 8.047 km |
| 6.2 mi | 9.978 km |
| 10 mi | 16.093 km |
| 13.1 mi | 21.082 km |
| 26.2 mi | 42.165 km |
| 50 mi | 80.467 km |
| 60 mi | 96.561 km |
| 100 mi | 160.934 km |
| 500 mi | 804.672 km |
km to mi reverse chart
Going the other way? These are the same values read backwards.
| Kilometers (km) | Miles (mi) |
|---|---|
| 1.609 km | 1 mi |
| 4.989 km | 3.1 mi |
| 8.047 km | 5 mi |
| 9.978 km | 6.2 mi |
| 16.093 km | 10 mi |
| 21.082 km | 13.1 mi |
| 42.165 km | 26.2 mi |
| 80.467 km | 50 mi |
| 96.561 km | 60 mi |
| 160.934 km | 100 mi |
| 804.672 km | 500 mi |
About miles and kilometers
The international mile is defined as exactly 1,609.344 meters, and one kilometer is 1,000 meters. The United States still uses miles for road distances and speed limits, while most of the world uses kilometers.
Common uses
- Running and cycling: 5K, 10K, half marathon (13.1 mi) and marathon (26.2 mi).
- Road trips and car rentals abroad.
- Converting mph to km/h on speed limits.
Frequently asked questions
How many km is a marathon?
A marathon is 26.2 miles, or 42.195 km.
How many km is 5 miles?
5 miles is 8.047 km.
How many km is a 10K in miles?
10 km is 6.214 miles.
How many km is 60 mph?
60 mph is about 96.6 km/h.
What is the formula to convert miles to kilometers?
km = miles × 1.609344. This page applies it for you instantly as you type.
Last reviewed: November 2026.
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