The Moultri Feeders come with a chart on the inside of the lid. Dispensing rate is as follows:


4 sec. = .8 lbs
6 sec. = 1.0 lbs
8 sec. = 1.3 lbs
10sec. = 1.6 lbs
12sec. = 1.9 lbs
14sec. = 2.2 lbs
16sec. = 2.4 lbs
18sec. = 2.7 lbs
20sec. = 3.0 lbs