Convert kilometres to miles
1 km = 0.62 mi. Type any value below for an instant conversion.
mi
1 km = 0.62 mi
Formula
mi = km × 0.6213711922Worked example: 50 km × 0.6213711922 = 31.07 mi
Multiply by 0.6 for a quick estimate. Road speed limits convert the same way: 100 km/h is 62 mph, and 50 km/h is 31 mph.
kilometres to miles conversion table
| kilometres (km) | miles (mi) |
|---|---|
| 1 km | 0.62 mi |
| 5 km | 3.11 mi |
| 10 km | 6.21 mi |
| 21.1 km | 13.11 mi |
| 42.2 km | 26.22 mi |
| 50 km | 31.07 mi |
| 80 km | 49.71 mi |
| 100 km | 62.14 mi |
| 120 km | 74.56 mi |
| 200 km | 124.27 mi |
Frequently asked questions
How many miles are in one kilometre?
One kilometre equals 0.62 miles.
How do I convert kilometres to miles?
Multiply the number of kilometres by 0.6213711922. For example, 50 km × 0.6213711922 = 31.07 mi.
Is this km to mi conversion exact?
The conversion factor of 0.6213711922 is used at full floating-point precision and rounded only for display, so the result is accurate for scientific, engineering and everyday use.
What is the reverse conversion?
To go the other way, use the mi to km converter. The reverse factor is 1.609344.
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