Converters Calculator
Speed Converter
Convert speed units including meters per second, kilometers per hour, miles per hour, feet per second, and knots.
⚠️ Please enter a valid number.
Converted Speed
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Calculator guide
How this calculator works
How to use this calculator
Enter a speed value, choose the current unit, choose the unit you want to convert to, then click Convert.
Formula used
The calculator converts the input into meters per second, then converts meters per second into the selected output unit. For example, 1 mile per hour = 0.44704 meters per second.
Example calculation
100 kilometers per hour equals about 62.137119 miles per hour.
What the result means
The result shows the same speed in a different unit.
Frequently asked questions
Can I convert km/h to mph?
Yes. Select kilometers/hour as the starting unit and miles/hour as the target unit.
What is a knot?
A knot is a speed unit commonly used in aviation and marine contexts.
Are decimal speeds supported?
Yes. Decimal inputs are supported.