Miles to Kilometers Converter

Summary

This tool converts distances between miles (mi) and kilometers (km) instantly in your browser. Enter a value in either field and the other updates automatically using the internationally defined conversion factor of 1 mile = 1.609344 km. A reference table of common distances — from a city block to a transatlantic flight — lets you load any value with one click.

How it works

1. Enter a distance in the Miles field to get the equivalent in kilometers.
2. Or type in the Kilometers field to convert in reverse — both fields stay in sync.
3. The formula box shows the exact calculation used.
4. The result card displays the converted value in large type.
5. Click any row in the reference table to pre-fill the converter.

Use cases

• Convert marathon or 5K race distances from miles to metric units.
• Understand road-sign distances when driving abroad in metric countries.
• Plan running or cycling training routes listed in miles for a metric audience.
• Convert car odometer readings and fuel-efficiency data across unit systems.
• Check hiking trail lengths from guides published in miles.
• Estimate flight or shipping distances across imperial and metric regions.

Frequently Asked Questions