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Miles to KM converter
Enter a number, fraction, power, π, or arithmetic expression.1 mi = 1.609344 km kilometers = miles × 1.609344
Ready for local conversionMiles to KM formula
kilometers = miles × 1.609344
1 mile = exactly 1.609344 kilometers
The international mile is exactly 5,280 international feet, which resolves to exactly 1,609.344 meters or 1.609344 kilometers.
How to convert Miles to Kilometers
Multiply miles by 1.609344. Multiplying by 1.6 gives a fast estimate, while the full factor is preferable for race pacing, mileage logs, and mapped routes.
Example calculation
A 26.2-mile race distance is 42.1648128 km: 26.2 × 1.609344 = 42.1648128.
26.2 mi = 42.1648128 km
When this conversion is useful
This conversion is useful for vehicle mileage, road trips, running distances, and interpreting locations described in miles on a metric map.
Common Miles to Kilometers conversions
| Miles (mi) | Kilometers (km) |
|---|---|
| 1 | 1.609344 |
| 3.1 | 4.9889664 |
| 5 | 8.04672 |
| 10 | 16.09344 |
| 26.2 | 42.1648128 |
| 100 | 160.9344 |
Miles to KM FAQ
One international mile is exactly 1.609344 kilometers.
Yes. Five miles equals 8.04672 kilometers, so eight kilometers is a good everyday estimate.
It uses the international statute mile used for normal road and land distances, not the nautical mile or historical survey mile.