Miles to Kilometers Converter
Type a value in miles to get it in kilometers, and see the reverse conversion.
Your numbers
Your results
Converted value
Kilometers (km)
—
1 mi in km
—
Your number read as km, in mi
—
Meters (m)
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Nautical miles (nmi)
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Miles to Kilometers Converter by TheCalcTools
How the Miles to Kilometers Converter works
Multiply miles by 1.609344 to get kilometres. Road signs in the UK and US use miles; most of the world uses kilometres.
To convert miles to kilometers, multiply by 1.609344. The calculator shows the result to 6 significant figures; the conversion factor itself is exact by definition.
Quick estimate in your head: multiply by 1.6 (or add 60%).
The formula
km = mi × 1.609344mi = km ÷ 1.609344
Worked example
Using the default values shown in the calculator:
| Value in miles (mi) | 26.2 |
|---|
- 26.2 mi × 1.609344 = 42.1648 km.
Result:
| Kilometers (km) | 42.1648 |
|---|---|
| 1 mi in km | 1.60934 |
| Your number read as km, in mi | 16.2799 |
| Meters (m) | 42164.8 |
| Nautical miles (nmi) | 22.7672 |
Conversion table
| mi | km |
|---|---|
| 1 mi | 1.60934 km |
| 2 mi | 3.21869 km |
| 3 mi | 4.82803 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.0934 km |
| 13.1 mi | 21.0824 km |
| 26.2 mi | 42.1648 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.934 km |
| 500 mi | 804.672 km |
Frequently asked questions
What is 1 mile in kilometers?
1 mile (mi) equals 1.60934 km.
Sources and further reading
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This calculator gives estimates for information only. Check important results independently before you rely on them. See our disclaimer.