Kilometers to miles converter

1 km = 0.6213712 mi. To convert kilometers to miles, divide by 1.609344 (or multiply by ≈ 0.6213712). Example: 10 km = 6.213712 mi.

Result (mi)

mi = km ÷ 1.609344 · Swap: Miles to kilometers

Open the full tool: Unit converter →

Kilometers to miles chart

KilometersMiles
1 km0.621371 mi
2 km1.24274 mi
3 km1.86411 mi
5 km3.10686 mi
10 km6.21371 mi
15 km9.32057 mi
20 km12.4274 mi
21.0975 km13.1094 mi
25 km15.5343 mi
30 km18.6411 mi
42.195 km26.2188 mi
50 km31.0686 mi
60 km37.2823 mi
80 km49.7097 mi
90 km55.9234 mi
100 km62.1371 mi
110 km68.3508 mi
120 km74.5645 mi
130 km80.7783 mi
200 km124.274 mi
500 km310.686 mi
1000 km621.371 mi

How to convert kilometers to miles

Formula: mi = km ÷ 1.609344. Worked example: 10 km = 6.213712 mi. Quick estimate: multiply by about 0.6 — the error is 3.4%, fine for everyday use but not for engineering or shopping by exact size.

About these units

The statute mile is exactly 1,609.344 m. Road distances and speed limits in the US and UK use miles, and running distances are quoted both ways: a 5K is about 3.1 miles and a marathon (42.195 km) about 26.2 miles.

Category: length. Results on this page are calculated in your browser and rounded to 7 significant digits; the table above uses 6. For other units of length open the full unit converter, or use the reverse page — miles to kilometers.

FAQ

How many miles are in one km?

1 km = 0.6213711922 mi (rounded). Conversely, 1 mi = 1.609344 km.

What is 100 km in miles?

100 km = 62.13712 mi.

Is this converter accurate?

Yes — it uses the official definitions (1 km = 1000 m, 1 mi = 1609.344 m) and shows results rounded to 7 significant digits.

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