Stable Numbers
Miles to Kilometres Converter
Convert miles to kilometres or kilometres to miles. Clean, quick and accurate.
How it works
This tool uses the exact relationship 1 mile = 1.609344 kilometres. To convert miles to kilometres, multiply miles by 1.609344. To convert kilometres to miles, divide by 1.609344 (or multiply by 0.621371).
km = miles × 1.609344
miles = km ÷ 1.609344
Use the rounding menu to format results for reports or signage.
When this helps
- Route planning and travel distances
- Running, cycling and race distances (5K, 10K, half marathon 13.1, marathon 26.2)
- Converting specs and manuals that list miles or kilometres
It updates as you type, with a simple layout that keeps the numbers clear.
Explore more in the conversion tools hub.