Sum up the remaining estimates (in days) of issues and subtasks in an epic.
A valid configuration for thisĀ Calculated Number Field:
Text to be parsed:
sum(fieldValue({00024}, issuesUnderEpic() UNION linkedIssues("",issuesUnderEpic()))) /480
Note that:
In order to return days, the display format is configured as shown:
Once configured and added to an issue screen (e.g. an epic), the result will look like this: