Usage by Application:

Here’s a rough guide to how your Internet activities can translate into Gigabytes (GB).

Activity

Sending email no attachments
Attaching Microsoft Word each doc about 10 pages
Viewing web pages average of all web pages
iBook/Kindle books Downloading
Playing online games each hour
Digital photos about 8MP each
Music files 5 min. long
YouTube videos each video, 5-7 mins long
Skype voice call each hour
Internet radio each hour
Netflix full-screen SD each hour
Netflix full-screen HD each hour

Usage per GB

104,858 emails 10k each
2,097 Word docs 500 kB each
1,748 web pages 600 kB each
1,024 books 1 MB each
238 hours 4 MB
256 photos 4 MB
205 music files 5 MB
60 videos 17 MB
37 hours 28 MB
17 hours 60 MB
3 hours 300 MB
0.4 hours 2.3 GB

10 GB

1,048,576 emails
20,971 documents
17,476 web pages
10,240 books
2,048 hours
2,560 photos
2,048 music files
602 videos
365 hours
170 hours
30 hours
4 hours

100 GB

104,857,600 emails
209,710 documents
174,760 web pages
102,400 books
20,480 hours
25,600 photos
20,480 music files
6,020 videos
3,650 hours
1,700 hours
300 hours
40 hours

500 GB

524,288,000 emails
1,048,550 documents
873,800 web pages
512,000 books
102,400 hours
128,000 photos
102,400 music files
30,100 videos
18,250 hours
8,500 hours
1500 hours
200 hours

1 MB = 1024 KB
1 GB = 1024 MB

Here’s how to read this table:
Sending digital photos, with each one of about 8 megapixels, takes 4 megabytes of transfer each. You can send 256 photos within one gigabyte of usage.
If you’re on the Advantage plan, that would translate to over 5000 photos a month!