Housing and Building Calculators
Browse housing and building tools. Each link opens a dedicated calculator with instructions, formulas, examples and related references.
- Concrete Calculator
Estimate concrete volume from slab dimensions, with a configurable waste allowance.
- BTU Calculator
Estimate a room’s cooling load using an explicit area-based screening rule.
- Square Footage Calculator
Calculate area from length and width and convert common area units.
- Stair Calculator
Estimate stair riser count, actual riser height and total run from floor height.
- Roofing Calculator
Estimate sloped roof area and material quantity from footprint, pitch and waste.
- Tile Calculator
Estimate tile count from floor area, tile dimensions and waste allowance.
- Mulch Calculator
Estimate mulch volume from bed area and depth.
- Gravel Calculator
Estimate gravel volume from area and depth.