Construction & DIY
Material estimating and measurement calculators for construction, landscaping, and home-improvement projects.
Calculators
Square Footage Calculator
Construction & DIYCalculate the square footage of a room or area - rectangle, circle, triangle, trapezoid, or L-shape - with instant results in square feet, square yards, square meters, or acres.
Gravel Calculator
Construction & DIYEstimate how much gravel you need - enter the area and depth to get the volume in cubic yards and cubic feet, an approximate weight in tons, and a bag count, with an optional allowance for waste and compaction.
Mulch Calculator
Construction & DIYEstimate how much mulch you need for a bed or landscaped area - enter the area and depth to get the volume in cubic yards and cubic feet, two- and three-cubic-foot bag counts, and an approximate weight, with an optional settling allowance.
Topsoil Calculator
Construction & DIYEstimate how much topsoil you need for a raised bed, garden, or lawn project - enter the area and depth to get the volume in cubic yards and cubic feet, one- and one-and-a-half-cubic-foot bag counts, and an approximate weight range, with an optional allowance for settling.
Paver Calculator
Construction & DIYEstimate how many pavers you need for a patio, walkway, or driveway - enter the area and your paver size to get the paver count with a waste allowance you control, plus planning estimates for the compacted gravel base and bedding sand underneath.
Sod Calculator
Construction & DIYEstimate how much sod you need for a lawn - enter the area to get the square feet and square yards to order, with a waste allowance you control plus roll, piece, and pallet estimates.
Stone Dust Calculator
Construction & DIYEstimate how much stone dust you need - also known as crusher dust or stone screenings - by entering the area and depth to get the volume in cubic yards and cubic feet, an approximate 0.5-cubic-foot bag count, and a weight range in US tons, with an optional additive allowance for compaction and waste.