Speed Converter

Convert between km/h, mph, m/s, knots and other speed units instantly.

Instant result Runs in browser
Result
—

Common Units

1 km/h = 0.6214 mph. 1 mph = 1.6093 km/h. 1 m/s = 3.6 km/h. 1 knot = 1.852 km/h.

How to use?

  1. 1
    Enter valueType the speed you want to convert.
  2. 2
    Select unitsChoose the source unit and target unit from the dropdowns.
  3. 3
    Read the resultThe converted value is shown instantly.

FAQ

How many km/h is 1 mph?
1 mile per hour (mph) equals exactly 1.60934 km/h. Conversely, 1 km/h equals approximately 0.62137 mph.
What is a knot?
A knot is 1 nautical mile per hour, equal to 1.852 km/h. It is used in maritime and aviation navigation.
How fast is the speed of light in km/h?
The speed of light is approximately 1,079,252,849 km/h or 299,792,458 m/s. It is used in astronomical calculations.

About Speed Units

Speed is defined as the distance covered per unit time. Different fields use different units.

Comments