Determine gallonage of triangle?

[OranguTang]

Anyone have a formula or calc?

 

[Aaroneous]

http://www.math.com/tables/geometry/volumes.htm

 

[fareforce]

If it is a triangle with a right angle, you can use the calculator here on RC. Pretend it is a rectangle, then when you get your total water volume divide it in half.

 

[Ephraim]

does not need to be a right angle. L x W x H / 231 / 2

 

[RumLad]

Cubic inches times 0.0043 = gallons.
ex. 1000 in3 = 4.32 gallons.