Speed Converter

Convert speed measurements between kilometres per hour, miles per hour, metres per second, knots, and Mach.

Enter values and click Calculate

Convert Speed Between Units

Convert speed between km/h, mph, m/s, knots, and Mach.

Formula

\text{Speed in target unit} = \text{Input value} \times \text{conversion factor}

How to Use?

  1. Enter the numeric value.
  2. Select the unit you are converting from.
  3. View results in all supported units.

Worked Examples

Convert 100 km/h to mph

Given:inputs
speedValue:100
speedValue_unit:kmh
Result:calculated
mph:62.14

Common Speed Units

km/h, mph, m/s, knots (nautical miles per hour), Mach (speed of sound).

Table: Speed Conversion Examples

InputOutput
100 km/h62.14 mph, 27.78 m/s, 54.0 knots
60 mph96.56 km/h, 26.82 m/s

FAQs

What is Mach?

Mach number is the ratio of speed to the speed of sound (approximately 343 m/s at sea level).

What is a knot?

One knot equals one nautical mile per hour, used in aviation and maritime.