Calculators

Calculates the weight of aggregate materials in tons based on volume and density.

Estimates the cost of tiles needed for a project, including waste.

Estimates the concrete volume needed for round column formworks using sonotubes. Calculates the volume based on the sonotube diameter and height.

Calculates the appropriate rip rap size for erosion control based on flow velocity and other factors.

Calculates the number of drywall panels needed for a room, considering wall and ceiling dimensions.

Calculates the mass/volume percent, mass percent, and volume percent of a solution.

Calculates the percent ionic character of a chemical bond based on the electronegativity difference between two atoms.

Calculates the hydrogen ion concentration ([H+]) of a solution given its pH value. This is a fundamental calculation in chemistry for understanding acidity and basicity.

This calculator determines the dry matter content of pet food based on its moisture and nutrient content. Useful for comparing nutrient concentrations between different pet foods.

Estimates how long an oxygen tank will last based on its size, pressure, and flow rate.