Unit Converter
Convert length, weight, volume, data, speed and temperature.
Runs entirely in your browser — nothing is uploaded.
All units
10001000.00139.370078743.2808398951.0936132980.0006213711922About the Unit Converter
The Freemium.Tools unit converter converts length, weight, volume, area, speed, time, data and temperature units instantly, with every related unit shown at once.
Recipes, shipping forms, fitness data and file sizes constantly mix metric and imperial units, and a wrong conversion can be expensive.
Pick a category, type an amount, and see the conversion you asked for plus every other unit in that category, so you never have to run the same sum twice.
How to use it
- 1Pick a category. Length, weight, volume, area, speed, time, data or temperature.
- 2Enter the amount. Type the number and choose the unit you are converting from and to.
- 3Copy the answer. Tap the result to copy it, or read the full list of related units below.
Frequently asked questions
How many kilometres are in a mile?
One mile is exactly 1.609344 kilometres, so a 5 kilometre run is about 3.11 miles.
How do I convert Celsius to Fahrenheit?
Multiply by 9, divide by 5 and add 32. So 20 Celsius is 68 Fahrenheit. Choose the temperature category and the tool does it for you.
Is a megabyte 1000 or 1024 kilobytes?
This converter uses 1024, the binary convention operating systems display. Storage manufacturers use 1000, which is why a 1 TB drive shows as about 931 GB.
Are the conversion factors exact?
Yes, the tool uses the internationally defined factors, such as exactly 0.45359237 kilograms per pound, and results are rounded only for display.