How many gig a month would I use if I was online video chatting everyday?

Answer 1

assuming : video chatting for 3 hrs per day

consider 15 mb per hour.......45 mb per day.

1350 mb per month.

Answer 2

If you're just chatting, and not saving the chats nothing. If you save it, it depends on the resolution, and frame rate. Can't really tell unless you know the above, along with the amount of time you are online.