Unit converters that show the formula
Convert inches, pounds, degrees, cups, acres and more. Every page gives the exact factor, a worked example and a reference table.
Categories
- Length
Inches, feet, miles and the metric units that replace them.
Open → - Weight and mass
Pounds, ounces, stone and the metric units.
Open → - Temperature
Celsius, Fahrenheit and Kelvin.
Open → - Volume and cooking
Gallons, cups, spoons and the metric units, using US customary measures.
Open → - Area
Square feet, acres, hectares and square kilometers.
Open → - Speed
Miles per hour, kilometers per hour, knots and meters per second.
Open → - Digital storage
Kilobytes to terabytes in decimal (SI) and binary (IEC) units.
Open → - Time
Seconds, minutes, hours, days and weeks.
Open → - Energy
Joules, calories, kilowatt-hours and BTU.
Open → - Power
Watts, kilowatts, horsepower and BTU per hour.
Open → - Angle
Degrees, radians, gradians and full turns.
Open → - Fuel economy
Miles per gallon, kilometers per liter and liters per 100 kilometers.
Open → - Pressure
PSI, bar, kilopascals and atmospheres.
Open →