How are usage times calculated

  • 10 October 2021
  • 1 reply


How are usage times calculated? We saw a case where the usage time is 1 hr 30 min, but the user’s sign up time was 30 minutes ago. Also, the event stream duration is only 19 minutes. Could it be possible that the user was opening multiple tabs or windows?

Just to clarify, the usage time is taken from user lookup → user profile. It is also consistent with the usage_time value from the dashboard api.


Best answer by Saish Redkar 11 October 2021, 06:49

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Hey @Wei Jie 
From what I understand, the usage time is the sum of all session lengths recorded for that user in a given project bucket. Often times, the usage time is rounded up to the nearest hour/day in the user profile.

You can try to debug that user’s sessions in a user session chart using the user /amplitude id and see if that helps. You might also want to check the if the session id is correctly recorded on the user’s first session event so that the usage time is reflected accurately.