Unit Converters
Convert length, weight, speed, pressure, energy, area, data storage, and 20+ unit types.
Converters
Angle Converter — Degrees, Radians, Gradians
Convert angles between degrees, radians, gradians, turns, arc minutes, and arc seconds. Free online angle unit converter.
Open converterArea Converter — m² to ft², acres, hectares & more
Convert area units instantly: square metres to square feet, acres, hectares, square kilometres, and more. Free area converter.
Open converterCooking Volume Converter — Cups, Tablespoons, ml, oz
Convert cooking measurements: cups to millilitres, tablespoons, teaspoons, fluid ounces, pints, and quarts. Free cooking unit converter.
Open converterCurrency Converter
Convert between major world currencies with static reference rates. USD, EUR, GBP, JPY, AED, SAR, INR, CAD, AUD, CHF and more. Free currency converter.
Open converterData Storage Converter — Bytes, KB, MB, GB, TB
Convert data storage units: bytes to kilobytes, megabytes, gigabytes, terabytes, and more. Free digital storage converter.
Open converterData Transfer Rate Converter
Convert data transfer rates between bits per second (bps), kilobits, megabits, gigabits, and bytes per second. Free internet speed unit converter.
Open converterDensity Converter — kg/m³, g/cm³, lb/ft³, lb/in³
Convert density units: kilograms per cubic metre to grams per cubic centimetre, pounds per cubic foot, and more. Free density converter.
Open converterDistance Converter — miles to km, nautical miles & more
Convert distance units instantly: miles to kilometers, nautical miles, light years, and more. Free online distance converter.
Open converterElectric Charge Converter
Convert electric charge between coulombs, milliampere-hours (mAh), ampere-hours (Ah), microcoulombs, and more. Free electric charge unit converter.
Open converterEnergy Converter — Joules, kWh, Calories, BTU & more
Convert energy units instantly: joules to kilowatt-hours, calories, BTU, electron volts, and more. Free energy converter.
Open converterForce Converter — Newton, Pound-force, Kilogram-force
Convert force units: newtons to pound-force, kilogram-force, dyne, kip-force, and more. Free online force unit converter.
Open converterFrequency Converter — Hz, kHz, MHz, GHz, RPM
Convert frequency units: hertz to kilohertz, megahertz, gigahertz, RPM, radians per second, and more. Free online frequency converter.
Open converterFuel Economy Converter — MPG, L/100km, km/L
Convert fuel economy and efficiency: MPG to L/100km, km/L, miles per litre. Free fuel consumption converter.
Open converterIlluminance Converter — Lux, Foot-candle, Phot
Convert illuminance units: lux to foot-candles, phot, nox, and more. Free online light intensity converter for lighting design.
Open converterLength Converter — cm to inches, feet, meters & more
Convert length and distance units instantly. Free online length converter: centimeters to inches, meters to feet, miles to kilometers, and more.
Open converterPower Converter — Watts, Horsepower, BTU/hr, Kilowatts
Convert power units: watts to kilowatts, horsepower, BTU per hour, megawatts, and more. Free online power unit converter.
Open converterPressure Converter — PSI to Bar, Pascal, ATM & more
Convert pressure units instantly: PSI to bar, pascals, atmospheres, mmHg, and more. Free pressure converter.
Open converterRadiation Dose Converter
Convert radiation dose between sievert (Sv), millisievert (mSv), rem, millirem, gray (Gy), and rad. Free radiation unit converter for health physics.
Open converterSpeed Converter — km/h to mph, m/s, knots & more
Convert speed units instantly: km/h to mph, m/s, knots, and more. Free online speed converter.
Open converterTemperature Converter — °F to °C, Kelvin & more
Convert temperatures instantly: Fahrenheit to Celsius, Celsius to Fahrenheit, and Kelvin. Free online temperature converter with reference chart.
Open converterTime Unit Converter — Seconds, Minutes, Hours, Days, Weeks
Convert time units: seconds to minutes, hours, days, weeks, months, and years. Free online time unit converter.
Open converterTorque Converter — Newton-metres, Pound-feet, Kilogram-metres
Convert torque units: newton-metres to pound-feet, kilogram-metres, inch-pounds, and more. Free online torque unit converter.
Open converterVolume Converter — liters to gallons, cups, ml & more
Convert volume units instantly: liters to gallons, cups to ml, tablespoons to ounces, and more. Free online volume converter for cooking and science.
Open converterWeight Converter — kg to lbs, grams, ounces & more
Convert weight and mass units instantly. Free online weight converter: kilograms to pounds, grams to ounces, and all common weight units.
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