Speed Converter
Convert m/s, km/h, mph and knots.
Results are provided for general informational use. Verify important financial, health or legal figures before relying on them.
About this Speed Converter
The Speed Converter compares common road, scientific and nautical speed units. Meters per second is used as the internal reference, allowing consistent conversion among km/h, mph and knots.
For related tasks, try Pace Converter, Fuel Economy Converter or Length Converter.
How to use it
- Enter a speed.
- Choose the current unit.
- Select the desired unit and convert.
Practical example
100 km/h is about 62.14 mph. One knot is one nautical mile per hour and is about 1.852 km/h.
Frequently asked questions
What speed units are supported?
Meters per second, kilometers per hour, miles per hour and knots.
What is one mph in km/h?
One mph is approximately 1.609344 km/h.
Are knots the same as mph?
No. A knot is based on a nautical mile, while mph is based on a statute mile.
Keep exploring
View category →More Converters
Pace ConverterConvert running pace between min/km, min/mile, km/h and mph.Fuel Economy ConverterConvert fuel economy between MPG, km/L and L/100 km.Length ConverterConvert between metric and imperial length units.Time ConverterConvert seconds, minutes, hours, days and weeks.Weight ConverterConvert mass between metric and imperial units.Temperature ConverterConvert Celsius, Fahrenheit and Kelvin temperatures.