Question 1

How long does 1 GB take at 100 Mbps?

Accepted Answer

About 80 seconds at full line rate, or roughly 89 seconds at 90% efficiency.

Question 2

Why does my download show MB/s while my plan says Mbps?

Accepted Answer

Browsers usually show bytes per second; divide Mbps by 8 to compare.

Question 3

Why is the file "smaller" on my computer than on the website?

Accepted Answer

Some operating systems show sizes in binary units (GiB) labelled as GB, so the number looks about 7% smaller.

Your numbers