Liquid Volume calculation in a vertically mounted cylindrical tank and also volume of partitioned vertical section
Give Inputs in Yellow colour cell    
S.No Description Values UOM
1 Dia of the Cylinder tank ( D ) mtr
2 Vertical height of the cylindrical tank ( H ) mtr
3 Perpendicular length from inside partition plate to tank edge ( L ) 
home:
If not having partition than to be give value "zero"
mtr
Result
1 Total Volume of the cylindrical tank m3
2 Bottom area of the tank in partitioned portion of the tank m2
3 Liquid volume in partitioned portion m3
4 Liquid volume in cylindrical tank except partitioned volume m3