Kilometers to Miles Converter
Convert km to mi instantly — and see every other length unit at once.
1 km=0.621371 mi
1 km in every unit
Millimeters
1,000,000mm
Centimeters
100,000cm
Meters
1,000m
Kilometersfrom
1km
Inches
39,370.08in
Feet
3,280.84ft
Yards
1,093.61yd
Miles
0.621371mi
Nautical miles
0.539957nmi
Common Kilometers to Miles conversions
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.62137 mi |
| 5 km | 3.10686 mi |
| 10 km | 6.21371 mi |
| 21 km | 13.0488 mi |
| 42 km | 26.09759 mi |
| 50 km | 31.06856 mi |
| 100 km | 62.13712 mi |
| 500 km | 310.6856 mi |
| 1000 km | 621.37119 mi |
The formula
Kilometers are the standard distance unit in most countries, used for road signs and travel.
Miles are used for road distances in the US, UK, and a handful of other countries.
Worked examples
1 km→0.621 mi— 1 km
Apply km ÷ 1.60934 with input = 1. Result: 0.621 mi.
10 km→6.214 mi— 10 km race
Apply km ÷ 1.60934 with input = 10. Result: 6.214 mi.
42.195 km→26.22 mi— Marathon
Apply km ÷ 1.60934 with input = 42.195. Result: 26.22 mi.
100 km→62.14 mi— 100 km
Apply km ÷ 1.60934 with input = 100. Result: 62.14 mi.
FAQ
How do I convert Kilometers to Miles?
Use the formula: mi = km ÷ 1.60934. You can also use the converter above — type any value and the result updates instantly.
Where are Kilometers used?
Kilometers are the standard distance unit in most countries, used for road signs and travel.
Where are Miles used?
Miles are used for road distances in the US, UK, and a handful of other countries.
How do I convert Miles back to Kilometers?
Use the Miles to Kilometers converter.