mi → km

Convert Miles to km

Convert miles to kilometers instantly — exact factors, common-value table, nothing uploaded.

Free · No limits Exact 1 mi = 1.609344 km Quick-value table Works offline No sign-up
Type a value to see the conversion

Common conversions

Free · Online · No sign-up · No limits

Miles to kilometers, US distances on metric roads

Renting a car abroad, planning a hike from a US guidebook, comparing treadmill sessions — miles need translating into kilometers more often than people expect. The exact factor: 1 mile = 1.609344 km, fixed by definition since the international agreement of 1959.

This page presets the converter to miles → kilometers. Type 26.2 and you get 42.1648 km — the marathon, the distance every running app in the world reports in kilometers. Type 60 and you get 96.5606, close enough to a 100 km/day driving plan to sanity-check it.

The quick table below covers the round numbers; the converter handles everything else live, locally, with no sign-up and no limits.

Quick conversion table

Common values at a glance — computed locally with exact standard factors.

Value (mi) Converted (km)
1 1.60934
2 3.21869
5 8.04672
10 16.0934
25 40.2336
50 80.4672
100 160.934

How to convert miles to km

1

Enter the distance in miles

Decimals fine — 26.2 for a marathon, 0.25 for a quarter mile.

2

Read the result in km

Exact multiplication by 1.609344, displayed to six significant digits.

3

Reverse anytime

The swap button flips to km-to-miles without losing the value.

FAQs about this conversion

How many km is 1 mile exactly?

Exactly 1.609344 km — the mile is defined as 5,280 feet and the foot is 0.3048 m exactly.

What is a 10-minute mile in km/h terms?

A 10-minute mile pace converts to about 9.66 km/h — useful when treadmills or race apps switch units on you.

Why do UK road signs still use miles?

Historical convention: the UK kept miles for road distances while adopting metric elsewhere, which is why both units stay relevant.

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