https://legacy.forums.gravityhelp.com/topic/merge-tag-calculations-with-default-value Gravity Support Forums Topic: Merge Tag Calculations with Default Value en-US Mon, 20 Apr 2026 05:20:14 +0000 http://bbpress.org/?v=1.0.1 q https://legacy.forums.gravityhelp.com/search.php https://legacy.forums.gravityhelp.com/topic/merge-tag-calculations-with-default-value#post-75850 Mon, 17 Sep 2012 10:19:07 +0000 ktrusak 75850@https://legacy.forums.gravityhelp.com/ <p>hookahi.com/example --click the 'reserve' button</p> <p>To explain better, the form is being used with WooCommerce and the grav forms addon for that. After checkout the information from the form is used to create a cpt for a calendar and reserve a time on the calendar. The form has a checkbox to select deposit or full payment. What I am looking to do is include a metabox for the cpt for "Amount due" so that if deposit is checked, it does a calculation for full cost - deposit cost = amount due. To do that I was hoping to simply use the deposit cost field; for example, if the deposit is $50 by default, then you could do $50 - the value (so the value would be $50 if it is checked, or $0 if it is not check). Does that help at all? </p> https://legacy.forums.gravityhelp.com/topic/merge-tag-calculations-with-default-value#post-75602 Sat, 15 Sep 2012 19:14:33 +0000 Chris Hajer 75602@https://legacy.forums.gravityhelp.com/ <p>Can you provide a link to your form where this is being used? I am having a hard time envisioning it. Thank you. </p> https://legacy.forums.gravityhelp.com/topic/merge-tag-calculations-with-default-value#post-74709 Mon, 10 Sep 2012 18:24:28 +0000 ktrusak 74709@https://legacy.forums.gravityhelp.com/ <p>This is a pretty straightforward question, I am just not sure if it is possible with the GF merge tags.. in essence it is an if statement, which I know GF doesn't do but maybe it is still possible.</p> <p>Essentially I want to do a price calculation, based on a checkbox product price field for the default value, soo basically:</p> <p>calculation = {field default} - {field value} </p> <p>So if I have a checkbox field for +$20 the calculation would be $20 - $20 if checked, $20 - 0 if not checked...</p> <p>possible? </p>