Calculators
Construction and home improvement calculators, organized by category.
Concrete
- Concrete
Concrete Calculator
Calculate how many cubic yards of concrete, bags, and pounds of weight you need for a rectangular slab, footing, wall, or circular column.
- Concrete
Retaining Wall Calculator
Calculate how many blocks you need for a segmental gravity retaining wall, including buried base.
- Concrete
Brick Calculator
Calculate how many bricks you need for a wall, from its area and brick size, accounting for waste.
- Concrete
Paver Calculator
Calculate how many pavers you need for a patio, from its area, paver size, and laying pattern.
Paint
Flooring
Structural
- Structural
Drywall Calculator
Calculate how many drywall boards you need for walls, and optionally the ceiling.
- Structural
Fence Calculator
Calculate how many posts and panels you need for a fence, from its total perimeter.
- Structural
Square Footage Calculator
Add up the square footage of multiple rooms or areas: rectangles, circles, and triangles.
- Structural
Lumber Calculator (Board Feet)
Calculate board feet from lumber thickness, width, length, and quantity.
- Structural
Roofing Calculator
Calculate roofing squares from your house footprint and roof pitch, including waste factor.
- Structural
Insulation Calculator
Calculate how many packages of fiberglass batt insulation you need for a given R-value.
- Structural
Stair Calculator
Calculate step count, riser, and stringer length for a straight staircase from its total rise.
Landscaping
- Landscaping
Mulch Calculator
Calculate how many cubic yards and bags of mulch you need for a garden bed.
- Landscaping
Gravel Calculator
Calculate the volume and weight of gravel or crushed stone you need for a project.
- Landscaping
Topsoil Calculator
Calculate how many cubic yards, and bags, of topsoil you need for a garden bed.