18 free calculators for concrete, rebar, steel, framing, roofing, decks and more — designed and reviewed by a practising structural engineer so your estimates start from sound formulas.
Explore ToolsProfessional-grade calculation tools designed for accuracy and efficiency
Advanced rebar calculations including steel sections, weight estimation, ratio-based quantity estimation, and comprehensive technical reference tables (ACI 318 Standards).
🚀 Launch CalculatorCalculate concrete volume in cubic yards, estimate bags needed, get cost & weight for slabs, footings, columns & stairs.
🚀 Launch CalculatorEstimate studs, joists, rafters, lumber quantities & framing costs for wall, deck & roof projects.
🚀 Launch CalculatorCalculate roof pitch, slope angle, rise & run. Convert between pitch ratios, degrees and percentages. Includes rafter length calculator.
🚀 Launch CalculatorCalculate roof area, shingles, metal panels, roofing squares & total project costs for any roof shape and pitch.
🚀 Launch CalculatorCalculate square footage for rooms, houses, tiles & any area. Supports feet & inches, multiple shapes, multi-room totals and cost per sq ft.
🚀 Launch CalculatorCalculate deck boards, stairs, railings, materials & costs. The complete deck building calculator for any project.
🚀 Launch CalculatorCalculate drywall sheets, joint compound, tape & installation costs for walls and ceilings.
🚀 Launch CalculatorCalculate tiles for floors, walls & showers. Includes grout estimator and installation cost calculator.
🚀 Launch CalculatorCalculate paint gallons for interior walls, exterior siding, ceilings & trim with cost estimator.
🚀 Launch CalculatorCalculate concrete for slab foundations, footings, foundation walls & cost estimation.
🚀 Launch CalculatorCalculate fence posts, pickets, rails, materials, stain & costs for wood, chain link, vinyl fences.
🚀 Launch CalculatorCalculate asphalt tonnage, volume & cost for driveways, parking lots and paving projects.
🚀 Launch CalculatorCalculate stair rise & run, stringer length, treads, materials & cost with diagrams.
🚀 Launch CalculatorCalculate construction loan payments, draw schedules, interest-only costs & compare FHA/VA/USDA rates.
🚀 Launch CalculatorCalculate weight of standard profiles (IPE, HEA, HEB), custom sections, plates & tubes with material choice.
🚀 Launch CalculatorCalculate board feet of lumber & logs, build cut lists & estimate costs for any wood species.
🚀 Launch CalculatorCalculate pavers needed, base gravel, bedding sand, polymeric sand & total cost for patios & driveways.
🚀 Launch Calculator