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

At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.

We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.

  • Profile Image

    How to update field with conditional logic

    Asked by enetknowhow on February 01, 2016 at 10:49 PM

    How I can use CALCULATE FIELD for this aktion.

    I have two Filds:

    a) Breite

    b) GK1


    Want selekt:

    if "Breite" < 100 and "Breite" >50 than


    "GK2" = 1



    anohter question:


    How can use calculation table?

    sample calculation table







    I have 3 filds

    a) height

    b) width

    c) value1



    if "height" =2 and "width" =b than to fill

    "value1" =s2 (ist the position calculation table)



    Page URL:

  • Profile Image
    JotForm Support

    Answered by BJoanna on February 02, 2016 at 04:03 AM

    If I understood you correctly you want to pass value to GK1 field if value that is entered inside of Breite field is greater than 50 and less than 100. 

    First you need to change type of Breite  field to number field, because greater and less conditional options are only available for number and spinner field.

    Then you need to use conditional logic UPDATE/CALCULATE FIELD option and set your condition like this. 

    Here is my demo form: https://form.jotform.com/60321927041951

    Feel free to clone it.

    If you want to perform calculation inside of your form this guide can help you:


    I have moved your other question to separate thread and we will provide you an answer there shortly: http://www.jotform.com/answers/762250