Common Units Converters
Easily convert between units of length, mass, volume, temperature and area.
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Length Converter
Instantly convert between meters, kilometers, miles, feet, inches and other length units.
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Weight and Mass Converter
Instantly convert between kilograms, grams, pounds, ounces and other mass units.
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Volume Converter
Instantly convert between liters, milliliters, gallons and other volume units.
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Temperature Converter
Instantly convert between Celsius, Fahrenheit and Kelvin.
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Area Converter
Instantly convert between square meters, hectares, acres and other area units.
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The Common Units Converters category brings together every tool for easily switching between the metric and imperial systems: length, mass, volume, temperature and area. These conversions come up often in everyday life, whether following a foreign recipe, understanding an international product listing, planning a trip, or doing technical calculations.
Each converter shows the result instantly, with no formula to memorize and no manual calculation, which greatly reduces the risk of error. They all run directly in the browser, with no sign-up or software to install, and cover the units most commonly used across Europe and the rest of the world.
Each converter shows the result instantly, with no formula to memorize and no manual calculation, which greatly reduces the risk of error. They all run directly in the browser, with no sign-up or software to install, and cover the units most commonly used across Europe and the rest of the world.