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25 tools
Converter
Convert length, weight, temperature, speed, time zones and 20+ other units for free. Runs in your browser and also works offline.
Popular tools
Temperature ConverterInstantly convert temperatures between Celsius, Fahrenheit, kelvin, Rankine, and four historical scales.Length ConverterEnter one length and instantly convert it to metres, inches, feet, miles, nautical miles, and astronomical units.Weight ConverterEnter one weight and instantly convert it to kilograms, grams, pounds, ounces, stones, tons, and troy and carat units.
Everyday10
Measurements, weights, time and temperature.
Temperature ConverterInstantly convert temperatures between Celsius, Fahrenheit, kelvin, Rankine, and four historical scales.Length ConverterEnter one length and instantly convert it to metres, inches, feet, miles, nautical miles, and astronomical units.Weight ConverterEnter one weight and instantly convert it to kilograms, grams, pounds, ounces, stones, tons, and troy and carat units.Volume ConverterEnter one volume and instantly convert it to litres, cubic metres, US gallons, Imperial gallons, and other common units.Area ConverterEnter one area and instantly convert it to square metres, hectares, acres, square feet, and other common units.Time ConverterInstantly convert durations between seconds, minutes, hours, days, weeks, and explicitly defined month and year units.Time Zone ConverterConvert dates and times locally between IANA time zones such as UTC, Berlin, London, New York and Tokyo.Cooking and Baking ConverterConvert cooking and baking measures between cups, millilitres, teaspoons, tablespoons, grams, ounces, and pounds, with ingredient-specific cup-to-gram values.Shoe Size ConverterCompare shoe sizes between EU, UK, US men, US women, kids, Mondopoint and measured foot length.Roman Numeral ConverterConvert decimal numbers from 1 to 3999 and modern canonical Roman numerals bidirectionally in your browser.
Mobility & sports4
Speed, pace and fuel consumption.
Speed ConverterEnter one speed and instantly convert it to km/h, m/s, mph, knots, and other common units.Running Pace ConverterConvert running pace and speed between min/km, min/mi, km/h, mph, and constant-pace finish times for standard distances.Fuel Consumption ConverterInstantly convert fuel consumption between L/100 km, km/L, US MPG, Imperial MPG, and other international units.Acceleration ConverterInstantly convert acceleration between m/s², g₀, Gal, ft/s², km/h/s, mph/s, kn/s and other units.
Engineering & physics9
Physical quantities for engineering and study.
Power ConverterInstantly convert power between watts, kilowatts, megawatts, metric and mechanical horsepower, BTU and refrigeration units.Energy ConverterInstantly convert energy between joules, kilojoules, kWh, calories, BTUs, therms, electronvolts and more.Pressure ConverterInstantly convert pressure between pascals, kPa, MPa, bar, psi, atmospheres, torr, mercury and water-column units.Force ConverterInstantly convert force between newtons, kilonewtons, kilogram-force, pound-force, kip, dyne, poundal and ton-force systems.Torque ConverterInstantly convert torque between N·m, N·cm, N·mm, kgf·m, kgf·cm, lbf·ft, lbf·in, ozf·in and dyn·cm.Density ConverterInstantly convert density values between kg/m³, g/cm³, g/mL, kg/L, lb/ft³, lb/in³, and US and Imperial gallon units.Frequency ConverterInstantly convert frequency between hertz, kilohertz, megahertz, gigahertz, RPM, BPM, and radians per second.Flow Rate ConverterInstantly convert volumetric flow rates between L/min, m³/h, US gal/min, Imp gal/min, ft³/min and US oil barrels per day.Angle ConverterInstantly convert angles between degrees, radians, gradians, arcminutes, arcseconds, turns, milliradians, and NATO mils.
Runs locally in your browser
Converters calculate inputs directly on your device. Values are not sent to Xoricon servers for conversion.