Units and Conversions Calculators
Convert common metric, imperial and specialist units with visible input and output units and enough precision to check the result.
Confirm whether the task needs an exact conversion or a rounded practical value. Area and volume conversions square or cube the linear factor, so converting only the displayed length factor produces an incorrect result.
How to use these calculators well
- Confirm both the source and target units before entering the value.
- Remember that area and volume require squared or cubed conversion factors.
- Round only to the precision the real measurement can support.
Length Converter
Convert lengths between metres, kilometres, centimetres, millimetres, miles, feet, inches and yards.
Open calculatorWeight and Mass Converter
Convert weight and mass between kilograms, grams, tonnes, pounds, ounces and stone using standard conversion factors.
Open calculatorTemperature Converter
Convert temperatures between Celsius, Fahrenheit and Kelvin instantly using the standard scientific conversion formulas.
Open calculatorArea Converter
Convert square metres, hectares, acres, square feet, square yards and square kilometres instantly for Australian land, property and floor plans.
Open calculatorAcres to Hectares Converter
Convert land area between acres and hectares in either direction, useful for comparing rural and agricultural property sizes.
Open calculatorCooking Measurement Converter
Convert common Australian cooking measurements between cups, tablespoons, teaspoons, millilitres and grams for water.
Open calculatorData Storage Converter
Convert digital storage sizes between bytes, kilobytes, megabytes, gigabytes and terabytes using binary units.
Open calculatorEnergy Unit Converter
Convert energy values between kilowatt-hours, joules, kilojoules, calories and British thermal units (BTU).
Open calculatorFuel Economy Converter
Convert fuel economy between Australian litres per 100km, miles per gallon and kilometres per litre for comparing vehicles.
Open calculatorKilograms to Stone and Pounds Converter
Convert body weight between kilograms and stone and pounds, or from stone and pounds back into kilograms.
Open calculatorMetres to Feet and Inches Converter
Convert a height or length in metres or centimetres into feet and inches, or feet and inches back into metric units.
Open calculatorPaper Sheet Layout Yield Calculator
Calculate whole rectangular print items per usable metric sheet in both orientations and select the higher layout yield.
Open calculatorPressure Converter
Convert pressure values between kilopascals, bar, PSI and atmospheres for tyres, tools and weather readings.
Open calculatorSpeed Converter
Convert speed between kilometres per hour, miles per hour, metres per second and knots for driving, sport or weather.
Open calculatorVolume Converter
Convert volumes between litres, millilitres, cubic metres, US gallons, UK gallons, US cups and fluid ounces.
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