A US Pint is 16 fluid ounces. A UK imperial Pint is 20 fluid ounces. I was always taught 'a pints a pound the world around' meaning a pint is 16oz as thats what a pound is.

There are approximatly 165 cans (12oz) beers in a standard 15.5 gallon keg. This is assuming 100% of the beer gets dispense with zero loss, reality with foam and such is most people estimate 150 Twelve ounce pours when working with a regular full sized keg. 5 Gallon homebrew kegs have about 45-50 12oz beers depending on how high its filled and then also how much sediment might be transfered from the fermentor. Kegs and Ounces Sanke Style Kegs and nicknames 15.5 gallon (standard Sanke keg or 1/2 barrel) = 1984oz (165 - 12oz, 124 - 16oz) 7.75 gallon (pony keg or 1/4 barrel) = 992oz (82 - 12oz, 62 - 16oz) 5.16 gallon (sixtel or 1/6 barrel) = 661oz ( 55 - 12oz, 41 - 16oz)