Construction & Building

Calculate concrete volume for slabs, footings, and columns — get results in cubic yards or meters and bags.

Calculate how many bricks you need for a wall — enter dimensions, brick size, and mortar joint.

Calculate the area and perimeter of any rectangular room — in square feet, square meters, or square yards.

Calculate how many drywall sheets you need — enter room dimensions, ceiling option, and sheet size.

Calculate posts, rails, and pickets for your fence — enter length, post spacing, and picket dimensions.

Calculate how much mulch you need — enter area dimensions and desired depth to get volume in cubic yards and bags.

Calculate roof area from building dimensions and pitch — find total roofing material needed including waste.

Calculate stair dimensions — enter floor height to find the number of steps, riser height, tread depth, total run, and stringer length.

Calculate rebar quantity for concrete slabs and footings — enter dimensions, spacing, and bar size to find total bars, length, and weight.

Calculate board feet, number of boards, and total cost — enter lumber dimensions and quantity for your project.

Calculate swimming pool volume in gallons and liters for rectangular, circular, and oval pools — includes chemical dosing and fill time estimates.

Calculate how much fill dirt you need in cubic yards, cubic meters, and tons for your excavation or grading project.