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Unit converters

Length, height, weight, land area, liquids, temperature, speed, fuel, pressure, energy, power, data and time.

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Length ConverterConvert length and distance between millimetres, centimetres, metres,…
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Height Converter: cm to Feet and InchesConvert your height from centimetres to feet and inches, or from feet and…
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Weight ConverterConvert weight and mass between kilograms, grams, pounds, ounces, stone,…
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Kg to Stone and Pounds ConverterConvert your weight between kilograms and stone and pounds, the way UK scales…
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Area & Land ConverterConvert land and floor area between acres, hectares, square metres, square…
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Volume & Liquid ConverterConvert liquid volume between litres, millilitres, UK and US gallons, pints,…
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Temperature ConverterConvert temperatures between Celsius, Fahrenheit and Kelvin for weather,…
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Speed ConverterConvert speed between kilometres per hour, miles per hour, knots, metres per…
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Fuel Economy ConverterConvert fuel consumption between UK mpg, US mpg, litres per 100 km and…
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Pressure ConverterConvert pressure between bar, PSI, kilopascals, millibar (hPa), atmospheres,…
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Energy ConverterConvert energy between calories, kilocalories, kilojoules, joules,…
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Power ConverterConvert power between horsepower, metric horsepower (PS), kilowatts, watts…
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Data Storage ConverterConvert data sizes between bits, bytes, kilobytes, megabytes, gigabytes,…
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Time ConverterConvert time between milliseconds, seconds, minutes, hours, days, weeks,…

Reference charts

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Bed & Mattress Size ChartCompare bed and mattress sizes in the UK, Europe, France and the US, in…
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Paper & Envelope SizesEvery A-series, B-series and US paper size in millimetres and inches, plus…

Popular conversions

cm to inchesinches to cmmetres to feetfeet to metreskm to milesmiles to kmmm to inchesinches to mmmetres to yardsyards to metresfeet to cmnautical miles to kmacres to hectareshectares to acressquare metres to square feetsquare feet to square metresacres to square feetacres to square metressquare metres to acressquare km to square milessquare miles to square kmhectares to square metressquare yards to square metressquare km to acreslitres to UK gallonsUK gallons to litreslitres to US gallonsUS gallons to litresml to UK fl ozUS fl oz to mlml to cupscups to mlcubic metres to litreslitres to cubic metresUK pints to litreslitres to UK pintstablespoons to mlteaspoons to mlcubic feet to litrescubic metres to UK gallonskg to poundspounds to kgkg to stonestone to kggrams to ouncesounces to gramspounds to ouncestonnes to UK tonsCelsius to FahrenheitFahrenheit to CelsiusCelsius to Kelvinkm/h to mphmph to km/hknots to km/hkm/h to knotsm/s to km/hbar to psipsi to barkPa to psimillibar to inHgkcal to kJkJ to kcalkWh to BTUhp to kWkW to hpPS to kWMB to GBGB to MBGB to TBGB to GiBUK mpg to L/100kmL/100km to UK mpgUS mpg to L/100kmUS mpg to UK mpghours to minutesdays to hoursweeks to days