Calculation Tools for Everyone


Unit Converter

Unit Converter

Our online Unit Converter is the most comprehensive on the web with over 2000 units and over 70 categories. Read more about all the features in our faq and help sections.

You can also download our Google Chrome Unit Converter Extension


Scientific Calculator with History

Our online scientific calculator is a fun to use calculator with a history of all your calculations. You can even use variables. Go on and give it a try. You can read about all the features in the help section.