1 Kilometer Per Hour To Mile Per Hour

Convert among m/s, km/h, miles per hour (mph), feet per second (ft/s), and knots (kn).

Speed
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Common Benchmarks

High-speed train 186 mph
Orbit speed 17,500 mph
Escalator speed 0.5 mph
Sound in air 767 mph
Sprint peak 20 mph
Highway speed 65 mph

Frequently Asked Questions

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.

How do you convert kilometers per hour to miles per hour?

Multiply the value in kilometers per hour by about 0.621371 to get miles per hour.