Concrete calculations can vary depending on the shape and type of your project. A simple slab requir... View MoreConcrete calculations can vary depending on the shape and type of your project. A simple slab requires a different calculation than a column or a circular structure. This is why it is important to understand the different types of calculations. The most common type is the slab calculation. This is used for floors, patios, and driveways. It requires length, width, and thickness. The formula is straightforward and works well for flat surfaces.. https://onlineconcretecalculator.com/