Construction Calculators

Free construction calculators for concrete, gravel, paint, tile, roofing, stairs, and flooring materials.

Calculate cubic yards/meters of concrete needed for slabs, footings, and walls.

Calculate concrete needed specifically for slabs.

Calculate area in square feet from dimensions for rooms and spaces.

Calculate tons and cubic yards of gravel needed for your project.

Calculate cubic yards of mulch needed for garden beds.

Estimate gallons of paint needed for walls based on room dimensions.

Calculate number of tiles needed with waste factor included.

Calculate roofing materials needed based on roof area.

Calculate roof pitch angle, ratio, and percentage from rise and run.

Calculate stair dimensions including risers, treads, and stringer length.

Calculate flooring material needed with waste allowance and box count.

Calculate concrete for footings.

Calculate sand needed in cubic yards and tons.

Calculate topsoil needed for garden beds.

Calculate asphalt tonnage for driveways.

Calculate bricks needed for a wall.

Calculate stair angle from rise and run.

Estimate decking boards for your deck project.

Calculate fence posts, rails, and pickets.

Calculate board feet and lumber cost.

Calculate board feet from lumber dimensions.