Utilonic
Utilonic

Kilometres to Miles Converter

Convert kilometres to miles instantly. Enter a km value and see the exact miles as you type. Essential for road trips, running events, and travel between metric and imperial countries.

Formula:[value] km ÷ 1.609 = [result] mi

How to convert Kilometres to Miles

km ÷ 1.609 = mi

For example: 10 km ÷ 1.609 = 6.214 mi

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Common Kilometres to Miles conversions

Common Kilometres to Miles conversions
Kilometres (km)Miles (mi)
1 km0.6214 mi
2 km1.243 mi
5 km3.107 mi
10 km6.214 mi
20 km12.43 mi
42.2 km26.22 mi
50 km31.07 mi
100 km62.14 mi
200 km124.3 mi
500 km310.7 mi
1,000 km621.4 mi

About this conversion

Kilometres to miles is one of the most frequent road-distance conversions, especially relevant when travelling between countries using different systems. The UK uses miles on road signs; mainland Europe uses kilometres. One mile equals exactly 1.609344 km. The '5/8 rule' is a handy shortcut: multiply km by 5 and divide by 8 for an estimate within 0.5% accuracy. Running events are universally measured in kilometres (5K, 10K, half marathon = 21.097 km, marathon = 42.195 km), while US and UK road races are often described in miles. GPS navigation apps constantly perform this conversion for international drivers.

Frequently asked questions

How many miles is 1 kilometre?+
1 kilometre equals approximately 0.6214 miles. Equivalently, 8 km ≈ 5 miles — a useful rule of thumb for quick mental conversion.
How do I convert kilometres to miles?+
Multiply the kilometres by 0.62137. For a quick mental estimate, multiply by 0.6 or use the fraction 5/8 (multiply by 5 and divide by 8).
How many miles is a 5K run?+
A 5K run is 5 kilometres, which equals approximately 3.107 miles. A 10K is 6.214 miles.
How many miles is a marathon (42.195 km)?+
A marathon is exactly 42.195 kilometres, which equals 26.219 miles — officially described as 26 miles and 385 yards.