Hi all,
I'm looking for the formulas (or even better, a spreadsheet) with which I can calculate the volume of liquid I have in a horizontal cylindrical tank, that is under a certain slope / inclination. I've got the math for a normal horizontal cylinder, but not when it is inclined. I did find some examples of the theory behind this. The most complete description I've seen was on this website:

[link Point to another website Only the registered members can access]
But if anybody has a spreadsheet for me that can be shared, please do!