Speed Converter

Welcome to our Speed Unit Converter, one of the most accurate and versatile tools for converting between different units of speed. This tool makes it effortless to calculate and convert speed with precision and clarity, no matter the scenario.

It’s also one of the few speed converters that can handle extremely high and low values with exceptional accuracy, making it ideal for everything from everyday use to scientific research.

US / Imperial

Mile per Second [mi/s]
Mile per Minute [mi/min]
Mile per Hour [mi/h]
Mile per Day [mi/d]
Yard per Second [yd/s]
Yard per Minute [yd/min]
Yard per Hour [yd/h]
Foot per Second [ft/s]
Foot per Minute [ft/min]
Foot per Hour [ft/h]
Inch per Second [in/s]
Inch per Minute [in/min]
Knot [kt, kn]
Knot (UK) [kt (UK)]
Nautical Mile per Hour [nmi/h]
Nautical Mile per Day [nmi/d]

Metric (SI)

Kilometer per Second [km/s]
Kilometer per Minute [km/min]
Kilometer per Hour [km/h]
Meter per Second [m/s]
Meter per Minute [m/min]
Meter per Hour [m/h]
Centimeter per Second [cm/s]
Centimeter per Minute [cm/min]
Centimeter per Hour [cm/h]
Millimeter per Second [mm/s]
Millimeter per Minute [mm/min]
Millimeter per Hour [mm/h]
Millimeter per Day [mm/d]

Other / Special

Speed of light in vacuum
Cosmic velocity first
Cosmic velocity second
Cosmic velocity third
Earth's velocity
Mach (20°C, 1 atm)
Mach (−50 °C, Stratosphere)
Mach (standart) [M]
Speed of sound
Speed of sound in pure water
Speed of sound in sea water (20°C, 1 atm)
Walking Speed
Running Speed
Rounding decimals
Decimal separator
Thousands separator
Keyboard
Input size
Share result link
Click to copy all results
 

Why this Speed Unit Converter is better than the rest:

Convert speeds instantly with high precision - from everyday use to advanced scientific calculations. Handle extreme values effortlessly, fine-tune decimal places, and format numbers your way. Built for speed, accuracy, and mobile-friendly input with quick copy & share options.

AC789←
C456=
123
SETTINGS0.