Unit converters
06 toolsTrueScalers publishes six unit converters covering length, weight, temperature, speed, volume and digital storage. Conversion factors use the exact internationally agreed definitions — one inch is exactly 25.4 millimetres and one pound is exactly 0.45359237 kilograms — so results are exact rather than approximate.
Length, mass, temperature, speed, volume and data storage. Every conversion factor is the exact internationally agreed definition, printed beside the result.
Length converter
Convert between millimetres, centimetres, metres, kilometres, inches, feet, yards, miles and nautical miles using exact treaty factors.
Reviewed
Weight converter
Convert between kilograms, grams, pounds, ounces, stone and tonnes. Uses the exact treaty definition of the pound, so results are exact.
Reviewed
Temperature converter
Convert between Celsius, Fahrenheit, Kelvin and Rankine. Shows all four scales at once, with the exact formula used.
Reviewed
Speed converter
Convert between kilometres per hour, miles per hour, metres per second, knots and feet per second with exact conversion factors.
Reviewed
Data storage converter
Convert bytes, kilobytes, megabytes, gigabytes and terabytes, including binary KiB, MiB, GiB and TiB units. Explains the 1000 versus 1024 difference.
Reviewed
Volume converter
Convert litres, millilitres, US and imperial gallons, quarts, pints, cups, tablespoons and teaspoons with exact conversion factors.
Reviewed
Other categories
Last reviewed: · How every formula is derived