About the Average Session Duration Calculator
Average session duration from total engaged time and sessions, formatted in minutes and seconds.
Also known as: session duration, avg time on site, session-duration.
How to use this calculator
- Enter total session time, sessions.
- 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
Average = total time ÷ sessions
Worked example
Using the values pre-filled in the calculator above:
- Total session time = 1,250 hours
- Sessions = 18,000
the calculator returns:
- Average session: 4 min 10 s
- Seconds: 250