Miles to Kilometers Converter
This mile to kilometer converter turns a distance in miles into km. The page opens in the length category with mile as the source and kilometer as the target, so entering a distance gives the metric value immediately: 1 mi = 1.609344 km, 3 mi is about 4.828 km, and 26.219 mi (a marathon) is about 42.195 km. It helps runners translating training plans, drivers reading US or UK distances, and travellers comparing routes. The swap button reverses the direction for kilometres to miles. Everything runs locally in JavaScript in your browser, so no data is sent to a server or stored. The result appears as you type and can be copied in one click.
How to use this tool
Overview
This mile to kilometer converter turns a distance in miles into km. The page opens in the length category with mile as the source and kilometer as the target, so entering a distance gives the metric value immediately: 1 mi = 1.609344 km, 3 mi is about 4.828 km, and 26.219 mi (a marathon) is about 42.195 km. It helps runners translating training plans, drivers reading US or UK distances, and travellers comparing routes. The swap button reverses the direction for kilometres to miles. Everything runs locally in JavaScript in your browser, so no data is sent to a server or stored. The result appears as you type and can be copied in one click.Formula
1 mile = 1.60934 kmFrequently asked questions
How many km is 1 mile? +
Exactly 1.609344 kilometers, based on the international mile definition.
How long is a 10-mile run in km? +
10 × 1.609344 = 16.09 km, a common step up from the half-marathon distance.
Does this differ from the km-to-miles page? +
Only the preset direction: here miles are the source unit, there kilometres are.
What unit categories does the converter support? +
This tool converts length, weight, temperature, area, volume, speed, time, data storage, and many more categories.
Can I convert between metric and imperial units? +
Yes. Convert freely between metric (km, kg, liters) and imperial (miles, pounds, gallons) systems, and many other unit systems.
How accurate are the conversions? +
All conversions use precise mathematical factors. Results are displayed with up to 10 decimal places for maximum accuracy.
Does it support currency conversion? +
The tool focuses on physical units. For currency conversion with live exchange rates, a dedicated currency tool is recommended.