Speed Converter

Convert between different units of speed with this free online tool. Simply enter your value, select the units, and get instant conversions.

Features

• Convert between multiple speed units
• Accurate and instant conversions
• Simple and intuitive interface
• No registration or downloads required

Available Speed Units

• Metric Units - Kilometers per hour (km/h), Meters per second (m/s)
• Imperial/US Units - Miles per hour (mph), Feet per second (ft/s)
• Nautical Units - Knots
• Other Units - Mach (at sea level), Speed of Light (c)

Common Speed Conversions

• 1 km/h = 0.621371 mph
• 1 mph = 1.60934 km/h
• 1 m/s = 3.6 km/h
• 1 m/s = 2.23694 mph
• 1 knot = 1.852 km/h
• 1 knot = 1.15078 mph
• 1 Mach = 1225 km/h (at sea level)

How to Use

1. Enter the value you want to convert in the input field
2. Select the unit you want to convert from
3. Select the unit you want to convert to
4. Click "Convert" to see the result
5. Common conversions will be displayed below the result