What you can convert
- Length, metres, kilometres, miles, feet, inches and more.
- Weight, kilograms, grams, pounds, ounces, tonnes.
- Temperature, Celsius, Fahrenheit and Kelvin.
- Area, Volume, Speed, Data & Time, common everyday and technical units.
How to use it
Pick a category, enter a value, and choose the from and to units. The converted result updates instantly as you type.
Popular conversions
Quick single-purpose converters with a conversion table and formula for each pair:
Length
Weight
Temperature
Volume
Frequently asked questions
Does it handle temperature correctly?
Yes, it uses the proper offset formulas, not just a simple multiplier.