How to Perform Calculations Using a Widget

February 18, 2024

Aside from Conditional Logic, you can also use the Form Calculation widget to perform calculations on your forms.

Youtube Embed Poster: 4p0YPJrwwtY

To perform calculations

  1. In the Form Builder, select Add Form Element in the upper-left corner.
The Add Form Elements button in Jotform Form Builder
  1. In the left pane, go to Widgets at the top.
  2. Search and select Form Calculation.
Arrow guides to a Form Calculation widget in Jotform Form Builder
  1. Use the editor on the right to build your formula.
    Note: To open the formula editor, select the Form Calculation widget’s wand icon.
  2. Once you’re done, select Save at the bottom.
The Form Calculation widget's formula editor in Jotform Form Builder

Did you know?

You can use radio buttons, dropdowns, and checkboxes in calculations. To learn more, see Assigning Calculation Values.

Select items in the formula editor to switch their value to numeric or string. To view available math functions, select the functions icon.

The Form Calculation widget's function icon in Jotform Form Builder

See also: How to Insert Text or Calculation Into a Field Conditionally.

Academy Logo

Introduction to Form Building

Explore Widgets

Go to course :Explore Widgets
lesson-2 - image
Contact Support:

Our customer support team is available 24/7 and our average response time is between one to two hours.
Our team can be contacted via:

Support Forum:

Contact Jotform Support:

Send Comment:

Jotform Avatar
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.


  • Heidi Tretheway - Profile picture
  • Brandon Kleinmeyer - Profile picture
  • Michael Meme - Profile picture
  • Bevan Hendon - Profile picture
  • Josh lee - Profile picture
  • Tim Keenan - Profile picture
  • Rachel Hetrick - Profile picture
  • Lu - Profile picture
  • José Enrique Cabrera Pérez - Profile picture
  • Angela Cachia - Profile picture
  • Cassandra Anzalone - Profile picture
  • Brian Cleary - Profile picture
  • Felisa - Profile picture
  • Crudo Sushi - Profile picture
  • Mall OfEtsy - Profile picture
  • Owen Allen - Profile picture
  • Muhammad Gulzar - Profile picture
  • Carla Goulart - Profile picture
  • Harm van Eerten - Profile picture
  • Juan Garcia - Profile picture
  • Darren Glover - Profile picture
  • excellent business4you - Profile picture
  • dancortez2 - Profile picture