Use this tank volume calculator to easily calculate the volume of a water tank oil tank fuel tank and so on. Where R - external radius and r - internal radius. The formula behind the volume of a hollow cylinder is.
In order to solve for Volume of a Cylinder you must know that the volume is equal to the base times the height.
The result of the cos-1 function in the formula is in radians. Where R - external radius and r - internal radius. And outputs tank volume cu ft cu m and liquid volume USUK gallons litres BBL. Volume of a cylinder area of base height p r 2 h and you can use 314 for p.