Date and Time Calculations Gravity Forms

Tutorials » GravityWP BV » Date and Time Calculations Gravity Forms

Do you want to calculate how many hours there are in between different Time Fields? Or days or years in between two different Date Fields? With the Gravity Forms Date Time Calculator Add-on from Gravity Perks you can easily do that.

Get Date Time Calculator

AM/PM

Start Time

End Time

Hours

24 hour

Start Time (24 hour)

End Time (24 hour)

Hours (24 hour)

Dates

Start Date

End Date

Days

Years

Rounding

Rounding with the Advanced Number Field Add-on.

Hours (full hour)

Hours (1 decimal)

Years (1 decimal)

Years (2 decimals)

Calculating seconds, minutes, hours in between Time Fields

The Add-on adds extra Merge Tags that are availabe for Number Field calculations. In this example we’ve added the End Time Merge Tag and substracted the Start Time Merge Tag.

Screenshot example of Enabling Calculation with End Time and Start Time as Merge Tags and setting the Date Calculation Unit.

Once you add a Time Field Merge Tag to your calculations, an extra dropdown comes available to pick how you want to show the result: Seconds, Minutes, Hours, Days, Weeks, Months, Years.

Screenshot of the Date Calculation Units available (Seconds, Minutes, Hours, Days, Weeks, Months, Years)

Calculating days, months, years in between Date Fields

With the same approach you can calculate the difference in between Gravity Forms Date Fields:

Screenshot example of Enabling Calculation with End Date and Start Date as Merge Tags and setting the Date Calculation Unit.

Rounding minutes, hours, days, months, years

With the Advanced Number Field Add-on you can easily round the calculation result.

Get Advanced Number Field

Rounding the calculation field up to 5 decimal places and choosing a Rounding Method with Advanced Number Field Add-on.

You can also add a Custom Unit to the calculation Number Field (like hours, days):

Adding a Custom Unit behind the calculation result, like minutes, hours, days, weeks with the Advanced Number Field Add-on.

Which will result in:

Example of using a Custom Unit 'hours' in the calculation field after the input. — Example of using a Custom Unit ‘hours’ in the calculation field after the input.

List Datepicker
Add a Datepicker with calendar select to a column or multiple columns in a Gravity Forms List Field.

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Trigger the update of multiple entries in a target form by submitting an entry in a trigger form.

List Dropdown
Add a Dropdown Select with choices to a column or multiple columns in a Gravity Forms List Field.

Field to Entries
Create entries based on Checkboxes & Multi Select choices & List Field rows.

Advanced Number Field
Functionality for Number Fields, like rounding or only absolute numbers, fixed point notation, range calculation, custom units like % or m2 & show as slider.

JWT Prefill
Create JSON Webtokens to populate fields in your Gravity Form. With a secure key you can validate the data you don’t want to be tampered with.

List Number Format
With this Gravity Forms Add-on you can change List Field columns into a number field, do calculations within a row or column. Extra merge tags are available with total counts of columns.

Advanced Merge Tags
This Gravity Forms Add-On adds extra Merge Tag modifiers (and a lot of power). From the most common used functions like capitalize and length to changing date formats.

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TutorialDate and Time Calculations Gravity Forms