Kilometers to Miles (km to mi)
1 km = 0.621371 mi
and 1 mi = 1.60934 km
How to convert Kilometers to Miles
mi = km ÷ 1.609344
To convert, divide the number of kilometers by 1.609344. Example: 10 km ÷ 1.609344 = 6.21371 mi.
1 mile is exactly 1.609344 km, so 1 km = 1 ÷ 1.609344 ≈ 0.621371 miles.
Used for race distances (5K, 10K, marathon), road signs and car odometers abroad, and running or cycling apps set to metric.
Mental shortcut: multiply by 5/8 (0.625) (overestimates by about 0.6%).
Kilometers to Miles conversion chart
| Kilometers | Miles |
|---|---|
| 1 km | 0.6214 mi |
| 2 km | 1.24 mi |
| 3 km | 1.86 mi |
| 4 km | 2.49 mi |
| 5 km | 3.11 mi |
| 6 km | 3.73 mi |
| 7 km | 4.35 mi |
| 8 km | 4.97 mi |
| 9 km | 5.59 mi |
| 10 km | 6.21 mi |
| 11 km | 6.84 mi |
| 12 km | 7.46 mi |
| 13 km | 8.08 mi |
| 14 km | 8.7 mi |
| 15 km | 9.32 mi |
| 16 km | 9.94 mi |
| 17 km | 10.56 mi |
| 18 km | 11.18 mi |
| 19 km | 11.81 mi |
| 20 km | 12.43 mi |
| 21 km | 13.05 mi |
| 22 km | 13.67 mi |
| 23 km | 14.29 mi |
| 24 km | 14.91 mi |
| 25 km | 15.53 mi |
| 26 km | 16.16 mi |
| Kilometers | Miles |
|---|---|
| 27 km | 16.78 mi |
| 28 km | 17.4 mi |
| 29 km | 18.02 mi |
| 30 km | 18.64 mi |
| 35 km | 21.75 mi |
| 40 km | 24.85 mi |
| 45 km | 27.96 mi |
| 50 km | 31.07 mi |
| 55 km | 34.18 mi |
| 60 km | 37.28 mi |
| 65 km | 40.39 mi |
| 70 km | 43.5 mi |
| 75 km | 46.6 mi |
| 80 km | 49.71 mi |
| 85 km | 52.82 mi |
| 90 km | 55.92 mi |
| 95 km | 59.03 mi |
| 100 km | 62.14 mi |
| 150 km | 93.21 mi |
| 200 km | 124.27 mi |
| 250 km | 155.34 mi |
| 300 km | 186.41 mi |
| 350 km | 217.48 mi |
| 400 km | 248.55 mi |
| 450 km | 279.62 mi |
| 500 km | 310.69 mi |
Values rounded to 2 decimal places (4 below 1). Use the converter above for more precision.
Popular conversions
Frequently asked questions
How many miles are in 1 kilometer?
1 kilometer = 0.621371 miles. 1 mile is exactly 1.609344 km, so 1 km = 1 ÷ 1.609344 ≈ 0.621371 miles.
How do I convert kilometers to miles?
Divide the number of kilometers by 1.609344. Example: 10 km ÷ 1.609344 = 6.21371 mi.
Is there a quick way to estimate km to mi in your head?
Yes — multiply by 5/8 (0.625). This overestimates by about 0.6%. Use the exact formula (mi = km ÷ 1.609344) when precision matters.
How do I convert miles back to kilometers?
Use km = mi × 1.609344 — multiply the number of miles by 1.609344. See the Miles to Kilometers page for a full chart.