"horizontal tank volume calculator vertex42 excel" Build your own master sheet with dropdown for tank shape, then use CHOOSE() or IFS() to apply correct formula.
Volume = Length × [ (Radius² × acos((Radius - Level)/Radius)) - (Radius - Level) × √(2 × Radius × Level - Level²) ] (Excel uses ACOS() , SQRT() , and POWER() ) tank volume calculator excel sheet download