Convert between kilometers and miles
Convert distance or length between kilometers (km) and miles (mi).
1 km = 0.621371 mi
How do I convert km to miles by hand?
Multiply by 0.621371 — for example, 10 km × 0.621371 ≈ 6.21 miles. To go the other way, divide by 0.621371.
Does this work for any length, not just travel distance?
Yes — the km/mi conversion factor is the same whether you're converting a running distance, a road trip, or any other length measured in those units.