This is a converter for units of speed.

**Usage:**

Type the value to convert into the field, behind which you find the unit.
Click on any empty space in the window or on the "calculate" button.
Read the result in the other fields.
Use the "reset" button to reset your calculation.
Move the mouse over a unit or click on it to read its full name.

**Example:**
You want to convert 50 km/h into mi/h. Type "50" into
the field in front of "km/h".
Click on any empty space in the window or on the "calculate" button.
Read the result in the other fields. (e.g. 31.069 mi/h).

**Remarques:**

- The Mach number is calculated with the speed of sound in dry air at 20 °C of 343 m/s.

- Please note the remarks about the
representation of numbers..

- There is no warranty for the calculation. Cactus2000 is not
responsible for damage of any kind caused by wrong results.

- Please send an email if you have suggestions or if you would like to see more
conversions to be included.

© Bernd Krüger,
05.03.2001, 03.11.2011, 01.06.2014, 10.06.2018