Unit Converter
Convert between different units of measurement. Supports length, weight, temperature, volume, area, speed, and more.
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Length
Weight
Temperature
Volume
Area
Speed
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Common Conversions
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Conversion Tips
Precision
Most conversions are accurate to several decimal places.
Temperature
Celsius, Fahrenheit, and Kelvin use different conversion formulas.
Large Numbers
Use scientific notation for very large or small numbers.
Unit Systems
Supports both metric (SI) and imperial unit systems.
Did You Know?
SI Units
The International System of Units (SI) is used by scientists worldwide.
Imperial System
Still used in the US, the imperial system originated in medieval England.
Light Year
A light year is about 9.46 trillion kilometers - the distance light travels in one year.
Absolute Zero
Absolute zero (-273.15°C) is the lowest possible temperature.