Hulu

Please see http://www.hulu.com/help/articles/21148167 for Hulu Settings.

Netflix

Watching Netflix uses about 1 GB of data per hour for each stream of standard definition video, and up to 3 GB per hour for each stream of HD video.

Adjust your data usage settings

Adjusting the data usage settings for your account is the easiest way to reduce the amount of bandwidth used while watching Netflix. There are 4 data usage settings to choose from, each estimate below is per stream:

Q Why place a cap on Internet consumption?
A Currently, less than 1% of our ISPs end-use customers use a disproportionate amount of bandwidth, which can impact other customers' experience on the shared network. In order to better manage the network, Click! and most other cable companies are considering or have already placed caps on consumption.