Speed Converter

Convert between meters per second, kilometers per hour, miles per hour, and more.

Enter all required values.

About this calculator

Use this calculator to convert speed values across common units.

How to use

  1. Enter a speed value.
  2. Choose the source and target units.
  3. Read the converted speed.

Formula

Converted value = value × source unit factor ÷ target unit factor

Example

100 km/h ≈ 62.14 mph.

FAQ

Can I convert knots to kilometers per hour?

Yes. Choose knots as the source unit and kilometers per hour as the target unit.

What if I choose the same unit twice?

The value stays the same.

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Results are for informational purposes only. Verify important calculations independently.