Kilometers to miles
Type a value in km to get it in mi instantly.
That's 1.98× as long as the Channel Tunnel, while the Earth is 127× longer. Walking, you would cover that in 19.84 hours.
Convert the other way: mi to km
What it means
How long is that?
Reference lengths are typical values. The inch, foot, yard and mile are defined exactly in meters (1 inch = 2.54 cm).
The math
How to convert km to mi
To convert kilometers to miles, multiply by 0.621371.
Example: 100 km × 0.621371 = 62.1371 mi.
In the other direction, 1 mi = 1.60934 km.
Every unit
Your length in every unit
Tables
km to mi conversion table
| km | mi |
|---|---|
| 1 km | 0.621371 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 | 12.4274 mi |
| 25 km | 15.5343 mi |
| 30 km | 18.6411 mi |
| 50 km | 31.0686 mi |
| 75 km | 46.6028 mi |
| 100 km | 62.1371 mi |
| 150 km | 93.2057 mi |
| 200 km | 124.274 mi |
| 500 km | 310.686 mi |
| 1,000 km | 621.371 mi |
mi to km 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 |
| 15 mi | 24.1402 km |
| 20 mi | 32.1869 km |
| 25 mi | 40.2336 km |
| 30 mi | 48.2803 km |
| 50 mi | 80.4672 km |
| 75 mi | 120.701 km |
| 100 mi | 160.934 km |
| 150 mi | 241.402 km |
| 200 mi | 321.869 km |
| 500 mi | 804.672 km |
| 1,000 mi | 1,609.34 km |
Quick answers
Quick answers
- How many mi is 1 km?
- 1 km is 0.621371 mi.
- How many mi is 10 km?
- 10 km is 6.21371 mi.
- How many mi is 100 km?
- 100 km is 62.1371 mi.
The units
About these units
Kilometers (km)
A kilometer is 1,000 meters, about a 12-minute walk. Road distances and running races use it almost everywhere outside the US and UK.
Miles (mi)
A mile is 5,280 feet, exactly 1,609.344 m. It comes from the Roman mille passus, a thousand double paces of a marching soldier.
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