Free Online Unit Converters

Convert length, weight, volume, area, temperature, and more. Fast, accurate, and easy-to-use unit converters for metric and imperial units.

Length / Distance Converter

Convert meters, feet, inches, kilometers, miles, and more.

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Weight / Mass Converter

Convert kilograms, pounds, ounces, grams, and more.

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Volume / Capacity Converter

Convert liters, gallons, milliliters, cubic meters, and more.

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Temperature Converter

Convert Celsius, Fahrenheit, Kelvin, and more.

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Speed Converter

Convert kilometers per hour, miles per hour, meters per second, and more.

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Area Converter

Convert square meters, square feet, acres, hectares, and more.

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Time Converter

Convert seconds, minutes, hours, days, and more.

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Energy / Heat Converter

Convert joules, calories, kilowatt-hours, BTUs, and more.

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Power Converter

Convert watts, kilowatts, horsepower, and more.

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Pressure Converter

Convert pascals, bars, atmospheres, psi, and more.

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Digital Storage / Data Converter

Convert bytes, kilobytes, megabytes, gigabytes, terabytes, and more.

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Fuel Efficiency Converter

Convert liters/100km, miles per gallon, and more.

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Currency Converter

Convert between currencies with dynamic rates.

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Angle / Rotation Converter

Convert degrees, radians, gradians, and more.

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Force Converter

Convert newtons, pound-force, dynes, and more.

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Frequency Converter

Convert hertz, kilohertz, megahertz, gigahertz, and more.

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Torque Converter

Convert newton-meters, pound-feet, kilogram-meters, and more.

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Density Converter

Convert kg/m³, g/cm³, lb/ft³, g/mL, and more.

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Cooking Converter

Convert cups, tablespoons, teaspoons, ounces, grams, and more for cooking.

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Viscosity Converter

Convert pascal-second, poise, centipoise, and more.

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