Use case

This use case calculates the total of all remaining estimates (in days) of issues and sub-tasks linked to the current epic.

If you want to exclude sub-tasks have a look at the following use case: Total remaining estimate in an epic (no sub-tasks).


Create a new Calculated Number Field (by JWT) custom field and name it properly.

Providing a description will help you to identify what the custom field does but this step is optional

Parser expression

Add the following expression:

Math expression for Calculated Number field:
sum(fieldValue({issue.remainingEstimate}, issuesUnderEpic() UNION subtasks(issuesUnderEpic()))) / 480 
# The result, which returns the number of minutes is divided by 480 to return a number of working days.
more info...

To achieve this, the following functions are used:

Display format

Content type

Choose Number 

Number format pattern



Check the results

Once configured and added to an issue screen (e.g. an epic), the result will look like this:

If you still have questions, feel free to refer to our support team.