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9 free home calculators. No signup required.

Find out how much any appliance costs to run per day, month, or year based on wattage and your electricity rate.

Calculate square footage for rectangles, circles, triangles, and L-shapes. Add multiple rooms and convert to square meters.

Calculate cubic yards of concrete and bags needed for slabs, columns, and footings.

Calculate how many gallons of paint you need for any room based on dimensions, doors, and windows.

Calculate how many cubic yards or bags of mulch, gravel, or topsoil you need for any area and depth.

Calculate how many fence posts, panels, and rails you need. Supports rectangular yards, custom perimeters, and multiple gates.

Calculate sheets of drywall, screws, and joint compound needed for any room based on dimensions, doors, and windows.

Calculate square footage and boxes of flooring needed for any room. Supports multiple rooms and waste factor.

Calculate how many tiles and boxes you need for any floor or wall. Includes grout spacing and waste factor.