Construction & home
Material, roof, stair, and space-planning calculators.
Roof Pitch Calculator
Calculate roof pitch, slope percentage, angle, and rafter length from rise and run.
Open toolDeck Material Calculator
Estimate deck area, board rows, linear board length, and waste allowance.
Open toolConstruction Cost per Square Foot Calculator
Estimate total construction cost from floor area, rate, and contingency.
Open toolDrywall Calculator
Estimate drywall sheet quantity from surface area and waste allowance.
Open toolFlooring Calculator
Estimate flooring area, material with waste, and whole packs required.
Open toolRoom Size Calculator
Calculate room floor area, perimeter, and approximate wall area.
Open toolFloor Plan Area Calculator
Add multiple rectangular rooms to estimate total floor-plan area.
Open toolStair Calculator
Estimate riser count, actual riser height, tread count, run, and stair angle.
Open toolHouse Square Footage Calculator
Estimate gross house square footage from footprint and floor count.
Open toolRoofing Cost Calculator
Estimate roofing project cost from roof area, waste, material, and labor rates.
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