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Convert miles (mi) to kilometers (km) instantly. Chart with running distances, formula, and reverse direction.
A mile (mi) is a US/UK customary unit of distance equal to exactly 1.609344 kilometers. To convert miles to km, multiply by 1.609344; to convert km to miles, multiply by 0.621371.
1 mi equals 1.609 km.
| Miles (mi) | Kilometers (km) |
|---|---|
| 1 mi | 1.609 km |
| 2 mi | 3.219 km |
| 3 mi | 4.828 km |
| 5 mi | 8.047 km |
| 6.2 mi | 9.978 km |
| 10 mi | 16.093 km |
| 13.1 mi | 21.082 km |
| 15 mi | 24.140 km |
| 20 mi | 32.187 km |
| 25 mi | 40.234 km |
| 26.2 mi | 42.165 km |
| 30 mi | 48.280 km |
| 40 mi | 64.374 km |
| 50 mi | 80.467 km |
| 60 mi | 96.561 km |
| 75 mi | 120.70 km |
| 100 mi | 160.93 km |
| 150 mi | 241.40 km |
| 200 mi | 321.87 km |
| 250 mi | 402.34 km |
| 500 mi | 804.67 km |
| 1000 mi | 1609.34 km |
Chart values use the exact conversion factor 1 mi = 1.609344 km, rounded for display.
Formula
km = mi × 1.609344 | mi = km × 0.621371mi = statute mile — US/UK land mile (1 mi = 5,280 ft = 1,609.344 m, exact)
km = kilometer — SI unit of distance (1 km = 1,000 m)
Worked Example
Convert 26.2 miles (marathon) to kilometers
Did you know? The mile traces back to the Roman 'mille passus' — a thousand double-steps of a Roman legionary, each pace about 1.48 m. Today the international mile is fixed at exactly 1,609.344 m by the 1959 International Yard and Pound Agreement.
Sources
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