Calculators

Calculates the volume of a cylindrical or rectangular hole and the amount of concrete needed to fill it.

Calculates the number of pre-mixed concrete bags or the quantities of ingredients needed to mix concrete for columns, based on column dimensions.

Calculates the board feet, total cost, and number of boards needed for a lumber project.

Calculates the volume, mass, and cost of gravel needed for a project, based on the area, depth, and gravel density and price.

Estimates the cost of building a shed, considering size and roof type.

Calculates the area in square feet for different shapes, including rectangles, circles, and triangles.

Estimates the weight of a rectangular box based on its dimensions and the density of the material.

Calculates the gallons of liquid needed to cover one square foot at a specific depth.

Calculates the volume of lumber in board feet.

Estimates the water hardness based on the concentration of calcium and magnesium ions in the water.