Unit Conversions Calculators
Convert length, weight, volume, temperature, pressure and more using NIST-exact factors.
- Length ConverterLength converter: convert inches, feet, yards and miles to millimeters, centimeters, meters and kilometers, and back,…
- Weight ConverterWeight converter: convert pounds, ounces, stone and tons to kilograms, grams and tonnes, plus troy ounces, grains and…
- Volume ConverterVolume converter: convert gallons, quarts, cups and fluid ounces to liters and milliliters, cubic feet and yards, UK…
- Temperature ConverterTemperature converter: convert Fahrenheit to Celsius, Celsius to Fahrenheit, and either to Kelvin or Rankine.
- Area ConverterArea converter: convert square feet, square yards, acres and square miles to square meters, hectares and square…
- Speed ConverterSpeed converter: convert miles per hour, kilometers per hour, knots, meters per second and feet per second.
- Time ConverterTime converter: convert seconds, minutes, hours, days, weeks, months and years, down to nanoseconds.
- Pressure ConverterPressure converter: convert psi, bar, kPa, MPa, atmospheres, inches of mercury and inches of water column.
- Energy ConverterEnergy converter: convert kilowatt-hours, BTU, therms, joules, calories and food Calories, foot-pounds and…
- Power ConverterPower converter: convert horsepower, kilowatts, watts, BTU per hour and tons of refrigeration.
- Force ConverterForce converter: convert pounds-force, newtons, kilonewtons, kilograms-force, kips and dynes.
- Torque ConverterTorque converter: convert foot-pounds, inch-pounds, newton-meters, kilogram-force meters and ounce-inches for torque…
- Density ConverterDensity converter: convert density between kg/m³, g/cm³, lb/ft³, lb/in³, pounds per gallon and tons per cubic yard.
- Flow Rate ConverterFlow Rate converter: convert gallons per minute, liters per minute, cubic feet per minute, cubic meters per hour and…
- Fuel Economy ConverterFuel Economy converter: convert miles per gallon to liters per 100 km and back, plus UK mpg, km per liter and gallons…
- Data Storage ConverterData Storage converter: convert bytes, kilobytes, megabytes, gigabytes and terabytes, in both decimal (GB) and binary…
- Data Transfer Rate ConverterData Transfer Rate converter: convert internet speeds in Mbps and Gbps to download speeds in MB/s, and between bits,…
- Angle ConverterAngle converter: convert degrees, radians, gradians, minutes and seconds of arc, turns, mils and milliradians.
- Frequency ConverterFrequency converter: convert hertz, kilohertz, megahertz and gigahertz, rpm, radians per second and beats per minute.