Convert kilometer (km) to mile (mi), or swap the units to reverse the calculation.
Printed from Calxy · https://www.calxy.net/conversion/km-to-miles
Kilometer → Mile
0.621371 mi
1 kilometer = 0.621371 miles
1 kilometer = 0.6213711922 miles (exact definition; display rounded)
Millimeter (mm)1000000
Centimeter (cm)100000
Meter (m)1000
Kilometer (km)1
Micrometer (µm)1000000000
Nanometer (nm)999999999999.9999
Inch (in)39370.07874
Foot (ft)3280.839895
Yard (yd)1093.613298
Mile (mi)0.621371
Nautical mile (nmi)0.539957
Light-year (ly)1.057001e-13
How to convert kilometers to miles
Multiply km by 0.6213711922 to get mi. The displayed factor is rounded; the calculator uses the full stored conversion factor.
Miles here are statute miles, not nautical miles. A statute mile is exactly 1.609344 km.
Worked example
5 km = 3.1068559612 mi. To reverse it, enter the unrounded output and select Swap units. Round only the final result; converting an already-rounded result back may not reproduce the original exactly.
Conversion table in both directions
km and mi reference values
Input
km → mi
mi → km
1
0.6213711922
1.609344
2
1.2427423845
3.218688
5
3.1068559612
8.04672
10
6.2137119224
16.09344
20
12.4274238447
32.18688
25
15.5342798059
40.2336
50
31.0685596119
80.4672
100
62.1371192237
160.9344
500
310.6855961187
804.672
1000
621.3711922373
1,609.344
Last updated . Results are estimates for informational purposes only.