How to calculate website Monthly visitors?

Please go to: https://www.alexa.com/

Login : s.jedidi@mepax.com

PW: NuM2009j

To calculate website Monthly visitors.

1- Please click on Site comparison below in orange.

2- Copy and paste the URL + enter

3- Take the Global Reach as shown below in green and multiply it by 300,000,000

4- The result corresponds to the number of monthly visitors on the observed web page.

e.g. http://www.interempresas.net

0.00209 x 300 000 000 = 627 000 Monthly Visitors.