Math question
 

I am trying to figure the gallon capacity of a 3 foot by 3 foot cylindrical tank. Looks sort of like a soda can so you can picture that. I keep coming up with somewhere in the neighborhood of 150 gallons. Bueller?...Bueller?

http://grapevine.abe.msstate.edu/~ft.../cylinder.html

1 cubic inches = 0.00432900431 US gallons

2hp

150 sounds too much

a 55 gallon drum is almost that size

I *think* to work it out you do something like:

pi * radius (squared) * height

I *think* its been ages since i use forumlas in math :helpme

Regards,

Lee

158.86 (imperial) gallons. I did it the hard way (since im canadian). converted it to metric, its about 600 litres.. 3.78L / imp. gallon.

I came up with the same - 159 gallons

Yeah, that's what I did, just making sure my math was right lol. I don't think there is a way to get an actual number on a problem like this though, but you can get it close. Once I had the cubic inches, I converted the whole using that number Jack posted above, but you figure, a cubic inch is a square and you're figuring for a rounded surface so there is a whole bunch of little voids that don't get counted I think.

That's close enough for my purposes though, thanks folks. :)