KM/H to MPH Converter

Summary

Enter a speed in km/h to get the mph equivalent instantly, with formula display and common speed reference table.

How it works

1. Enter a speed in the km/h field to get the mph value, or type in the mph field to convert in reverse.
2. The conversion formula updates in real time to show the calculation.
3. Browse the reference table for common everyday and road speeds.
4. Click any row in the reference table to load that value into the converter.
5. Click "Clear" to reset both fields.

Use cases

• Convert speed limits when driving in a country that uses different units.
• Understand vehicle speedometer readings when renting a car abroad.
• Convert running or cycling pace data between metric and imperial units.
• Analyze sports statistics that use different speed units.
• Convert wind speed or weather data between km/h and mph.

Frequently Asked Questions