Kilometers per Hour to Miles per Hour Converter
Convert speed measurements between kilometers per hour (km/h) and miles per hour (mph) with our comprehensive calculator. Quick, accurate conversions for driving, running, cycling, and more.
Step 1: Enter Speed
Understanding Speed Conversion
1 kilometer per hour equals approximately 0.621371 miles per hour. This conversion is commonly used when comparing speed limits, vehicle speeds, and athletic performance between metric and imperial systems.
Step 2: Conversion Results
Common Speed References
Common speed limits: 50 km/h ≈ 31 mph (urban), 80 km/h ≈ 50 mph (rural), 100 km/h ≈ 62 mph (highways), 130 km/h ≈ 81 mph (motorways).
Speed Conversion Results
Speed Conversion Result
Common Speed Conversions
| Kilometers per Hour | Miles per Hour | Typical Usage |
|---|
Speed Conversion Chart
Conversion Formula
mph = km/h × 0.621371
To convert kilometers per hour to miles per hour: Multiply the speed in km/h by 0.621371. To convert miles per hour to kilometers per hour: Multiply the speed in mph by 1.60934.
Need Professional Speed Analysis?
Connect with our experts for detailed speed calculations, performance analysis, and custom solutions for your automotive, athletic, or engineering needs.
Get Professional Analysis