Liquid volume in a horizontal cylinder

If you want to build your own application, perhaps on a PLC or computer, you can use this formula to find how much liquid is in a horizontal cylinder with flat ends.

If you use inches for your measurements, the result will be cubic inches.
If you use centimeters for your measurements, the result will be cubic centimetres.

Formula to calculate the volume in a horizontal tank


this is the relationship between percentage depth and percentage volume


Other useful related formulas, thanks to Keith Chisholm for providing these and the javascript calculator itself.

useful circle formulas