Convert speed units
Enter a value, choose the starting unit, choose the target unit, then convert. Results are calculated through meters per second as the base unit.
Result
Enter a value to convert.
Common speed conversions
| Unit | Converted value |
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Converter
Speed Converter
Convert speed units between miles per hour, kilometers per hour, meters per second, feet per second, knots, and more.
About this speed converter
This speed converter helps compare common speed and velocity units used in driving, travel, aviation, boating, science, sports, and technical references. It supports metric, imperial, nautical, and approximate Mach conversions.
MPH and KPH
Miles per hour and kilometers per hour are common road speed units. MPH is common in the United States, while KPH is used in many other countries.
Meters per second
Meters per second is often used in science, physics, engineering, and technical calculations.
Knots
Knots are commonly used for marine and aviation speed. One knot equals one nautical mile per hour.
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