Kilometers to Miles
Convert kilometers to miles instantly — multiply the kilometers by 0.6214 (the same as dividing by 1.609). Type in either box to convert both ways. The everyday conversion for road distances, running races and odometers when the distance is metric but you measure in miles. Free on LK Forge, no sign-up.
Kilometers to Miles conversion table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.621371 mi |
| 5 km | 3.10686 mi |
| 10 km | 6.21371 mi |
| 21 km | 13.0488 mi |
| 42 km | 26.0976 mi |
| 50 km | 31.0686 mi |
| 100 km | 62.1371 mi |
| 200 km | 124.274 mi |
How to convert kilometers to miles
To convert kilometers to miles, multiply the kilometers by 0.6214 (the same as dividing by 1.609). For example, 1 km equals 0.621371 mi. The calculator above runs the exact factor at full precision and updates as you type, and the swap button flips the direction so you can go from miles back to kilometers just as quickly.
Frequently asked questions
How do you convert kilometers to miles?
To convert kilometers to miles, multiply the kilometers by 0.6214 (the same as dividing by 1.609). For example, 1 km is 0.621371 mi. The calculator above does this for you the moment you type — enter a value on the left and the miles result appears on the right, and you can type in either box to convert in the opposite direction. Every result uses the exact internationally defined factor, not a rounded shortcut, so the numbers are accurate enough for schoolwork, cooking, travel and engineering alike.
How many miles are in 1 km?
There are 0.621371 mi in 1 km, and kilometers scale to miles in that same fixed ratio at any size. The conversion table on this page lists the most common values — 1 km is 0.621371 mi, and the table continues up to 200 km = 124.274 mi — so you can read off everyday amounts at a glance without typing anything. Values that fall between those rows convert just as exactly, because the calculator carries the full factor rather than the rounded figures printed here.
Is this km to mi converter accurate?
Yes — this km to mi converter is accurate. It uses the precise, internationally agreed conversion factor rather than a rounded approximation, and the math runs at full double precision in your browser, with results shown to six significant figures. The everyday conversion for road distances, running races and odometers when the distance is metric but you measure in miles.
Is the kilometers to miles converter free?
Yes — the kilometers to miles converter is completely free, with no sign-up and no limit on how many conversions you run. Every calculation happens locally in your browser, so nothing you type is uploaded or stored. For other units, the full LK Forge unit converter covers length, weight, temperature, volume and speed in one place.
More conversions
Miles → KilometersLiters → GallonsGallons → LitersMiles per Hour → Kilometers per HourKilometers per Hour → Miles per HourCelsius → Fahrenheit All units →
Reference: full unit conversion chart · metric vs imperial, explained