Loose T7 comes in one pound cansiters. There are 7,000 grains in a pound. A 100 grain volume load of T7 FFG from my TC U-View powder measure FFG weighs 77 grains.
7,000 grains in the canister, divided by 77 grains per charge gives you 90.9 100-grain volume charges per canister.
Last edited by Semisane; 07-14-2009 at 12:37 PM.