How to convert kilometers to miles
One mile is exactly 1.609344 kilometers, so one kilometer is about 0.6214 miles. To turn km into miles, divide by 1.609 — or multiply by 0.62.
Formula: miles = km ÷ 1.609344
Example: 10 km ÷ 1.609344 = 6.21 miles
km to mi table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 | 0.62 |
| 2 | 1.24 |
| 3 | 1.86 |
| 5 | 3.11 |
| 8 | 4.97 |
| 10 | 6.21 |
| 15 | 9.32 |
| 20 | 12.43 |
| 21.098 | 13.11 |
| 25 | 15.53 |
| 30 | 18.64 |
| 40 | 24.85 |
| 42.195 | 26.22 |
| 50 | 31.07 |
| 80 | 49.71 |
| 100 | 62.14 |
| 160 | 99.42 |
| 200 | 124.27 |
| 500 | 310.69 |
| 1,000 | 621.37 |
Values are rounded to 2 decimal places.
Running distances
- 5K = 3.11 miles
- 10K = 6.21 miles
- Half marathon (21.1 km) = 13.1 miles
- Marathon (42.195 km) = 26.2 miles
How to use it
- Type a number in the From box — the answer appears straight away
- Click Swap (⇄) to convert the other way, from miles to kilometers
- Change the units or the category to convert anything else — length, weight, temperature, volume, speed and more
Frequently asked questions
How many miles is 1 km?
About 0.62 miles. It takes 1.609 km to make one mile.
Is there a quick way to convert km to miles?
Multiply by 6 and divide by 10: 50 km × 0.6 = 30, and the exact answer is 31.07 miles. The Fibonacci trick works too: 5 km ≈ 3 mi, 8 km ≈ 5 mi, 13 km ≈ 8 mi.
How far is a 5K in miles?
3.11 miles.
Is my data sent anywhere?
No. The conversion runs in your browser, on your own device.
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- Unit Converter — every unit in one place
