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How are Inferred hours counted?

The Inferred hours feature works exactly as Hours, except the way we are computing how much time was spent on a ticket.

The idea is easy, we divide the amount of time a ticket was in the In Progress column (for Jira only) and how many tickets were in the In Progress column. To be more specific it divides the time interval by the number of overlapping intervals (all the tickets that are In Progress at the same time as the ticket we’re computing inferred hours for) for all tickets.

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In the image we have some time intervals and divide them with vertical dotted lines each time a new interval starts or ends. The numbers represents the amount of overlapping intervals. So for the ticket with the black interval we sum all intermediary intervals divided by the count overlapping intervals.