7.5 US gallons / cubic foot, 6.25 British imperial gallons / cubic foot.

Don Bruder wrote:

In article ,
Michael Gray wrote:

And in question #16, when one is given fallacious information -

7.5 gallons in 1 cu.ft.

everyone knows there are 6.25 real gallons in a cu.ft. otherwise how
could a cubic foot weigh 62.5 lbs (10 lbs/gal.)


Huh???

Last time I was paying attention, I thought straight H2O weighed
8-point-something pounds to the gallon?