Speed Converter

Convert between different units of speed and velocity with high precision. Support for common, nautical, and scientific speed units including km/h, mph, knots, and mach.

10 Speed Units

Convert Speed/Velocity

From

Speed Context

Speed Category:

Highway driving speed

From Speed

60 km/h

To Speed

37.282301 mph

Speed References

Walking Speed

1.4 m/s

Running Speed

5 m/s

Cycling Speed

6 m/s

City Driving

50 km/h

Highway Speed

120 km/h

High-Speed Train

300 km/h

Commercial Aircraft

900 km/h

Fighter Jet

2.5 Mach

Sound in Air

343 m/s

Earth's Orbit

30000 m/s

Common Conversions

100 km/h=62.14 mph

60 mph=96.56 km/h

10 m/s=36 km/h

30 kn=55.56 km/h

Speed Categories

Common Units

Meters per Secondm/s

Kilometers per Hourkm/h

Miles per Hourmph

Nautical & Scientific

Knotskn

MachMa

Professional Speed & Velocity Converter Tool

Convert between km/h, mph, m/s, knots, mach, and 15+ more speed units with our advanced online speed converter. Compare your speeds to real-world examples like walking, cars, aircraft, and more.

100% FreeHigh PrecisionSpeed Comparisons

About Our Speed Unit Converter

Our comprehensive speed converter is designed for engineers, pilots, drivers, scientists, and anyone who needs accurate velocity unit conversions. Whether you're converting km/h to mph, m/s to ft/s, or working with specialized units like knots, mach numbers, or the speed of light, our tool delivers precise results with real-world context.

Perfect for automotive calculations, aviation planning, maritime navigation, physics problems, and everyday speed comparisons. Our converter includes speed reference points to help you understand how fast something really is.

Complete Speed Unit Support

Metric System

Meters per Secondm/s

Kilometers per Hourkm/h

Kilometers per Secondkm/s

Centimeters per Secondcm/s

Imperial System

Miles per Hourmph

Feet per Secondft/s

Inches per Secondin/s

Yards per Secondyd/s

Nautical & Aviation

Knotskn

Nautical Miles/Hournmi/h

Mach NumbersM

Scientific Units

Speed of Lightc

Speed of Soundsound

How to Convert Speed Units

Enter Speed Value

Type the numerical speed value you want to convert in the input field

Select Source Unit

Choose the speed unit you're converting from using the dropdown menu

Choose Target Unit

Select the speed unit you want to convert to from the second dropdown

View Results & Comparisons

Get instant results with real-world speed comparisons and context

Popular Speed Conversions

100 km/h=62.14 mph

Highway speed limit

1 m/s=3.28 ft/s

Scientific calculations

60 mph=96.56 km/h

City speed conversions

10 knots=18.52 km/h

Maritime navigation

1 mach=343 m/s

Supersonic speeds

5 km/h=1.39 m/s

Walking pace

Speed Reference Points

Walking Speed

Human

5 km/h

Running Speed

Human

15 km/h

Cycling Speed

Human

25 km/h

City Speed Limit

Vehicle

50 km/h

Highway Speed

Vehicle

120 km/h

Commercial Aircraft

Aircraft

900 km/h

Speed of Sound

Physics

1235 km/h

Cheetah (max)

Animal

112 km/h

Frequently Asked Questions

How accurate is this speed converter?

Our converter uses precise mathematical formulas and displays results up to 10 decimal places for maximum accuracy in scientific and engineering applications.

Can I convert between different measurement systems?

Yes! Our tool seamlessly converts between all measurement systems including metric (km/h, m/s), imperial (mph, ft/s), nautical (knots), and scientific units (mach, speed of light).

What are the speed comparisons for?

Speed comparisons help you understand how fast something really is by comparing it to familiar real-world examples like walking speed, car speeds, aircraft speeds, and natural phenomena.

Is this speed converter free to use?

Absolutely! Our speed converter is completely free with no registration required, no limits, and no hidden fees.

Does it work on mobile devices?

Yes, our converter is fully responsive and works perfectly on smartphones, tablets, and desktop computers.

What is the difference between speed and velocity?

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that refers to the rate at which an object changes its position. Our converter handles speed units.