Speed Converters

Convert speeds between feet per second, meters per second, kilometers per hour, miles per hour, and knots.

22 free tools

Meters Per Second To Kilometers Per Hour Converter Convert speed from meters per second (m/s) to kilometers per hour (km/h) using the exact conversion factor 3.6. Miles Per Hour To Knots Converter Convert miles per hour (mph) to knots (kn) using the international mile and nautical-mile definitions. Miles Per Hour To Kilometers Per Hour Converter Convert miles per hour to kilometers per hour using the exact international-mile ratio, with instant results. Kilometers Per Hour To Knots Converter Convert speed from kilometers per hour (km/h) to knots (kn) by dividing by 1.852. Mach SI Standard To Meters Per Second Converter Convert Mach (SI standard) to meters per second using the standard reference speed of sound of 340.3 m/s. Meters Per Second To Mach SI Standard Converter Convert meters per second to Mach (SI standard) using the standard reference speed of sound of 340.3 m/s. Meters Per Second To Miles Per Hour Converter Convert meters per second (m/s) to miles per hour (mph) using the exact international-mile ratio. Knots To Feet Per Second Converter Convert speed from knots to feet per second (ft/s) using the exact international nautical-mile definition.
Area Converters Convert land and surface measurements between square meters, square feet, square yards, square inches, square centimeters, square kilometers, square miles, acres, and hectares. Data Storage and Transfer Rate Converters Convert digital storage units from bytes to petabytes using both decimal (1000) and binary (1024) standards, and data transfer rates between bits and bytes per second. Density Converters Convert density between kilograms per cubic meter, grams per cubic centimeter, pounds per cubic foot, pounds per cubic inch, pounds per cubic yard, pounds per US gallon, pounds per imperial gallon and slugs per cubic foot. Electric Charge Converters Convert electric charge between coulombs, SI prefixes, elementary charges, ampere-hours, and additional electromagnetic charge units. Energy Converters Convert energy between joules, megajoules, gigajoules, kilowatt-hours, megawatt-hours, BTU, calories, kilocalories, and electronvolt units from eV to TeV. Frequency Converters Convert frequency, angular frequency, rotational speed, cycles per time, and the period of repeating signals.