What else you should know...
This usage calculator is a guide only and should not be taken as a guarantee of actual internet usage. Your situation might vary significantly, depending on your individual circumstances and internet usage patterns. Values are calculated on a per Broadband account basis - if you have multiple computers, you should enter the total usage for them all.
The data used to calculate these recommendations is based on average expected usage on a home PC: browsing and text-only emails 5MB per hour, photos 1MB per photo, online games 65MB per hour, music 5MB per song, video clips 150MB per hour, movies 1.2GB per movie and 8.2 minutes per call.