1 mi = 5,280 ft = 1,609.344 m (exact) 1 km = 1,000 m
Result in Kilometers (km)
1.609344
Reverse factor
1 km = 0.6213711922 mi
Common length conversions
1 in
2.54 cm
1 ft
0.3048 m
1 yd
0.9144 m
1 mi
1.609344 km
1 nmi
1.852 km
1 m
3.280839895 ft
1 km
0.6213711922 mi
1 cm
0.3937007874 in
Miles to kilometers conversion table
Miles to kilometers
Miles (mi)
Kilometers (km)
1 mi
1.609344 km
3.1 mi
4.9889664 km
5 mi
8.04672 km
10 mi
16.09344 km
13.1 mi
21.0824064 km
26.2 mi
42.1648128 km
50 mi
80.4672 km
100 mi
160.9344 km
500 mi
804.672 km
The formula
km = mi × 1.609344
1 mi = 5,280 ft = 1,609.344 m (exact). 1 km = 1,000 m. These are exact definitions, so the only rounding is in the displayed result (10 significant digits).
When you need it
Miles to kilometers is useful for US and UK travelers renting cars in metric countries and for training plans that mix units. Multiply by 1.609344 — the mile is defined as exactly 5,280 ft, or 1,609.344 m.