Speed & Velocity Converter
Convert speed values instantly between meters per second (m/s), kilometers per hour (km/h), miles per hour (mph), knots, and Mach.
Free Browser-Based Speed & Velocity Converter
SuperUtility includes a beautiful, local Speed Converter designed to translate velocity measurements in real-time. Everything happens in your browser, keeping your calculations safe and private.
Convert speed values between metric meters per second (m/s), kilometers per hour (km/h), standard miles per hour (mph), marine knots (kt), and supersonic Mach numbers. Ideal for aviation, physics formulas, travel conversions, shipping logs, and automotive calculations.
Frequently Asked Questions
What is a marine knot?
A knot is a unit of speed equal to one nautical mile per hour, which is exactly 1.852 kilometers per hour or approximately 1.1508 miles per hour.
What is Mach 1?
Mach 1 represents the local speed of sound. At standard conditions (15 °C at sea level), this is approximately 340.3 meters per second or 1,225 kilometers per hour.