Convert Mile to Kilometer.
Input the value of miles below to convert instantly to kilometers with standard conversions, definitions, and equations.
About converting miles to kilometers
Miles to kilometers is the road-trip conversion — turning US and UK distances and speed limits into the metric figures used almost everywhere else.
One mile equals exactly 1.609344 kilometers, so converting miles to kilometers means multiplying by roughly 1.609. A 26.2-mile marathon is 42.195 km, a 60 mph speed limit is about 96.6 km/h, and a 500-mile drive is 804.7 km.
The statute mile descends from the Roman mille passuum, 'a thousand paces,' later fixed in England at 5,280 feet. The kilometer, by contrast, is purely metric — one thousand meters. Their awkward 1.609 ratio is why mile-to-kilometer conversion rarely produces round numbers, and why dual-marked speedometers exist.
- The Fibonacci trick: consecutive Fibonacci numbers approximate the ratio, so 5 miles ≈ 8 km, 8 miles ≈ 13 km.
- For a fast estimate, multiply miles by 1.6.
How to Convert Miles to Kilometers
To convert mile to kilometer, we use the official conversion formulas. Below is the mathematical formula, plain-English explanation, and a worked example.
Mile (mi)
Standard imperial and US unit equal to 5,280 feet or 1,609.344 meters.
Kilometer (km)
One thousand meters. The standard metric unit for geographical distances.
Mile to Kilometer Conversion Table
| Mile (mi) | Kilometer (km) |
|---|---|
| 1 mi | 1.60934 km |
| 2 mi | 3.21869 km |
| 3 mi | 4.82803 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.09344 km |
| 15 mi | 24.14016 km |
| 20 mi | 32.18688 km |
| 25 mi | 40.2336 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
| 250 mi | 402.336 km |
| 500 mi | 804.672 km |
| 1000 mi | 1609.344 km |
Kilometer to Mile Conversion Table
| Kilometer (km) | Mile (mi) |
|---|---|
| 1 km | 0.62137 mi |
| 2 km | 1.24274 mi |
| 3 km | 1.86411 mi |
| 5 km | 3.10686 mi |
| 10 km | 6.21371 mi |
| 15 km | 9.32057 mi |
| 20 km | 12.42742 mi |
| 25 km | 15.53428 mi |
| 50 km | 31.06856 mi |
| 100 km | 62.13712 mi |
| 250 km | 155.3428 mi |
| 500 km | 310.6856 mi |
| 1000 km | 621.37119 mi |