Unit Converter
Free online unit converter for length, weight, temperature, area, volume, speed, pressure and data. Instant, accurate results.
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How it works
Pick a category, type a value and choose the units to convert between. The result updates as you type, and the table below shows the same value in every unit of that category.
Every unit is converted through an exact base unit (meter, kilogram, liter, pascal and so on) using the internationally defined conversion factors, so results are precise. Temperature uses the proper offset formulas rather than a simple factor.
Frequently asked questions
How many feet are in a meter?
One meter equals about 3.28084 feet. One foot is exactly 0.3048 meters.
How do I convert Celsius to Fahrenheit?
Multiply by 9/5 and add 32. For example, 30 °C × 9/5 + 32 = 86 °F.
Is a gallon here a US or UK gallon?
The converter uses the US liquid gallon (3.785 liters).