All calculators
Landscaping
Mulch CalculatorCubic yards and bags for garden beds.Landscaping
Gravel CalculatorTons and cubic yards for driveways and paths.Landscaping
Topsoil CalculatorCubic yards and bags for lawns and raised beds.Hardscape
Paver CalculatorPaver count, base gravel and sand for patios.Concrete
Concrete CalculatorCubic yards and bags for slabs and post holes.Landscaping
Sod CalculatorSquare feet, pallets and slabs for a new lawn.Volume
Cubic Yard CalculatorConvert length, width and height to cubic yards.Area
Square Footage CalculatorArea of rooms, lawns and lots in sq ft, sq yd and m².Conversion
Cubic Yards to Tons CalculatorConvert cubic yards to tons by material, and back.Conversion
Bags per Cubic Yard CalculatorHow many bags of mulch, soil or stone fill a cubic yard.Framing
Deck Board CalculatorBoards, joists and screws for a deck.Lumber
Board Foot CalculatorBoard feet of lumber from thickness, width and length.Quick reference cheat sheet
Cubic yardsOne cubic yard is 27 cubic feet. At 3 inches deep, one cubic yard of mulch covers about 108 sq ft.
Concrete bagsAn 80 lb bag of mix yields about 0.60 cubic feet, so a cubic yard takes roughly 45 bags.
Stone weightCrushed stone and gravel weigh about 1.4 tons per cubic yard. Always check with your supplier.
How these calculators work
Every calculator uses the standard area × depth volume formula, converts to the units suppliers sell in, and lets you add a waste allowance. The formulas are shown on each page so you can check the maths, and you can enter your own prices for a cost estimate.