1. Click  here  to launch the Bit Rate Calculator script on any browser (preferably Chrome)

2. Once the page is open, this is how it should look like on the screen. Download the file as shown in the screen shot below and save it to the desktop. In Chrome, the default location is Downloads.

3. The name of the downloaded file will be "Bit Rate Calculator -ENG". Run the file and this is how it will show up on the screen.

4. Now click on Add Channel on the top right corner and make the necessary selections from the drop down based on the camera configuration and it will generate the results. Add more channels if relevant.

Note: Make sure the right number of channels and configuration is selected to get the most accurate results.