Speed Converter
Convert among m/s, km/h, miles per hour (mph), feet per second (ft/s), and knots (kn).
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Formula
mph = km/h × 0.6213711922
Example
Example: convert 60 kilometers per hour to miles per hour.
60 km/h = 37.28227153 mph
Conversion table
| kilometers per hour (km/h) | miles per hour (mph) |
|---|---|
| 1 km/h | 0.62137119 mph |
| 2 km/h | 1.24274238 mph |
| 5 km/h | 3.10685596 mph |
| 10 km/h | 6.21371192 mph |
| 20 km/h | 12.42742384 mph |
| 50 km/h | 31.06855961 mph |
| 100 km/h | 62.13711922 mph |
Explanation
Kilometers per hour are used in most countries for road speed limits, while Miles per hour are used in the United States and the United Kingdom for road speeds.
How to convert kilometers per hour to miles per hour
- Start with the value in kilometers per hour (km/h).
- Multiply it by 0.6213711922.
- The result is the measurement in miles per hour (mph).
Example: 60 km/h → 37.28227153 mph
Frequently Asked Questions
How much is 60 kilometers per hour in miles per hour?
60 kilometers per hour is about 37.2823 miles per hour.
How many miles per hour is 1 kilometer per hour?
1 kilometer per hour is about 0.621371 miles per hour.
How many kilometers per hour is 1 mile per hour?
1 mile per hour equals 1.609344 kilometers per hour.
What is the difference between kilometers per hour and miles per hour?
Both measure speed, but they use different distance and time units. Kilometers per hour express speed in kilometers and hours (km/h). Miles per hour express it in miles and hours (mph).
Where are kilometers per hour and miles per hour used?
Kilometers per hour are used mainly for road-vehicle speeds and transport (in most countries). Miles per hour are used for road speeds and speed limits in the US and in some UK contexts.
Why does 1 kilometer per hour equal 0.621371 miles per hour?
Because the units are defined from distance and time units (for example, kilometers/hours or feet/seconds), which determines the conversion factor.