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JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.

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    Question on Form Calculator

    Asked by walkingtreetravel on February 20, 2015 at 02:19 PM

    I am trying to create the following on my jotform


    1. Program Payment Amount: (Customer enters payment amount here)

    2. Program Payment Amount plus 3% upcharge for credit card fee: (this amount is automatically calculated based on the amount the customer entered in field 1. 




    Program Payment Amount: $1000

    Program Payment Amount plus 3% uncharge for credit card fee: $1030


    How do I set this up using the Calculation Wizard widget? Is there a better widget to use? 


    Page URL:

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    Answered by Carina on February 20, 2015 at 03:49 PM

    Form calculation widget is great to achieve this result.

    In order for you to add 3% to the amount the formula must be (payment amount*0.03) - to determine how much is 3%

    +payment amount:

    Then you just need to setup the payment tool so that it gets the value from the payment amount field:

    You can see it here:


    Feel free to clone  the form.

    Let us know if we can assist you.