Area
Volume
Cubic Yard Calculator
Find how many cubic yards you need for concrete, soil, gravel, or mulch. Enter the area and depth in any unit.
VolumeConcrete Calculator
Estimate the concrete for a slab, patio, or footing — in cubic yards and in bags. Includes a 10% waste allowance.
VolumeGravel Calculator
Estimate gravel for a driveway, path, or drainage bed — in cubic yards and in tons.
VolumeMulch Calculator
Find how much mulch your garden beds need — in cubic yards and in standard 2 cubic foot bags.
Materials
Tile Calculator
Work out how many tiles and boxes you need for a floor or wall, with a built-in waste allowance.
MaterialsPaint Calculator
Estimate the gallons of paint for a room, accounting for coats, doors, and windows.
MaterialsDrywall Calculator
Estimate how many drywall sheets you need for the walls (and optionally the ceiling) of a room.
MaterialsFence Calculator
Plan a fence line: how many posts, sections, and rails you need for a given length.
MaterialsBrick Calculator
Estimate the number of bricks for a wall or veneer, with a waste allowance for cuts and breakage.
Why BuildCalcs
Every calculator here runs instantly in your browser, includes a sensible waste allowance, and shows the math so you can trust the result. Whether you are pouring a slab, tiling a bathroom, mulching a garden bed, or fencing a yard, BuildCalcs gives you the quantities and rough cost in seconds. Bookmark it for your next project.