Login with Formloop account

Username (e-mail):

Click here to get an account for free.

Login with Google account

I agree to the FormLoop TOS    

Google Account or Gmail ?

Search for Calculators

On-line Stats

  • Created Formulas: 667
  • Created Widgets: 3815
APIs, Widgets & Apps
"Making the complex simple"

Create Custom Calculator

When an ordinary web calculator does not do the job you can make a custom web calculator and launch it as a widget or a web app. Start by adding the building blocks such as variables, constants and units if needed. Then assemble them into a formula which then can be designed and launched at your site. We recommend that you have two windows open so that you can add variables as you are building your formula.