KM to Miles Converter

Convert kilometers to miles instantly. 1 km = 0.621371 miles.

Conversion Formula

miles = km × 0.621371

KM to Miles Reference Table

KilometersMiles
1 km0.6214 mi
5 km3.1069 mi
10 km6.2137 mi
20 km12.4274 mi
42.195 km26.2188 mi
50 km31.0686 mi
100 km62.1371 mi
200 km124.2742 mi
500 km310.6856 mi
1000 km621.3712 mi

Frequently Asked Questions

How many miles are in a kilometer?

1 kilometer equals approximately 0.621371 miles.

How do I convert km to miles?

Multiply kilometers by 0.621371. For example, 42.195 km (a marathon) × 0.621371 = 26.22 miles.

What is 100 km in miles?

100 km = 100 × 0.621371 = 62.1371 miles.

How do I quickly estimate km to miles?

Multiply by 0.6 for a quick estimate. For example, 100 km ≈ 60 miles (actual: 62.1 miles). Alternatively, divide by 1.6 for a close approximation.

What is 5 km in miles?

5 km = 5 × 0.621371 = 3.1069 miles. A 5K race is approximately 3.1 miles.

For more length conversions, see the full Length Converter.