About the App Engagement Calculator
Average engagement time per user from sessions per user and average session length.
Also known as: time in app, engagement time per user.
How to use this calculator
- Enter sessions per user per day, average session length.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Time = sessions × session length
Worked example
Using the values pre-filled in the calculator above:
- Sessions per user per day = 3.2
- Average session length = 4.5 min
the calculator returns:
- Daily time per user: 14.4 min
- Monthly hours per user: 7.2