Data usage and browsing the internet

How much data for...?
1 plain text email = 20 KB	1 minute of streaming music = 1 MB
1 photo, file, or document = 500 KB	1 minute of streaming video = 3 MB
1 web page = 180 KB	1 MB = 1,024 KB
1 minute using a connected app or game = 3 MB	1 GB = 1,024 MB

Data usage varies by device; smartphones and mobile broadband devices may use more data for email and applications. Calculations of data usage are estimates only; actual amount of data used may vary significantly.