Question

How do I manually calculate average session duration?

Hallo guys, can anyone help me tell the exact formula of the average session duration where to get from? I’m having trouble finding a manual calculation of the average session duration

For example, from the google analytics report, I got an average session duration of 20 seconds. How is the manual calculation?

I’ve tried to calculate with this formula “Avg Session Duration = Session Duration / Sessions” but didn’t find the same result


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Hi there @rifulabyssal,

To calculate the average session duration you need to divide the total duration fo all sessions on your website in seconds by the total number of sessions.

Let’s say that in 1 day you had 5 website visitors:

  1. Visit: 100 seconds on your site
  2. Visit: 50 seconds on your site
  3. Visit: 120 seconds on your site
  4. Visit: 20 seconds on your site
  5. Visit: 5 seconds on your site

So what you need to do is add them all together: For example, say in one week you had three website visitors:

100 + 50 + 120 + 20 + 5 = 295 seconds

Then divide that number by 5 as there were 5 sessions:

295 / 5 = 59

So the average session duration for that day on your site was 59 seconds.

Hope that this helps! Regards, Bobby