Construction Calculators for Contractors & Builders
Calculate concrete, roofing, paint and material costs. 50+ free calculators. No signup required.
Start Here
Concrete Master Guide
Yardage, bags, rebar, and waste factors in one contractor-ready guide.
Roofing Master Guide
Squares, bundles, pitch multipliers, and material takeoffs in one place.
Paint Calculators Hub
Coverage, trim, primer, and cost calculators for clean estimating.
Mulch Calculator
Fast mulch volume estimates for beds, borders, and installs.
Most Popular Concrete Tools
Explore by Project Type
Choose your project to access calculators, guides, and planning tools.
Concrete
Slabs, footings, rebar, gravel base, driveways, and more.
Roofing
Squares, bundles, pitch, underlayment, and roofing materials.
Paint
Walls, primer, coats, and coverage planning for interior and exterior jobs.
Landscaping
Mulch, soil, gravel, sand, and yardage conversions for outdoor projects.
Concrete Tools
View allConcrete Slab Calculator
Rectangular slab volume with waste and bag estimate.
Concrete Driveway Calculator
Driveway pour volume with waste and quick bag estimate.
Concrete Wall Calculator
Wall volume using length, height, thickness, and waste.
Concrete Slab Thickness Guide
Choose the right thickness for patios, garages, and sheds.
Roofing Tools
View allCategories
Concrete Tools
22 calculatorsSlab, driveway, footing, wall, rebar, and gravel base calculators for concrete takeoffs.
Roofing Tools
11 calculatorsRoof squares, shingles, ridge cap, drip edge, ventilation, and underlayment calculators.
Lumber & Deck Tools
4 calculatorsDeck boards, joists, lumber takeoff, and spacing calculators for framing.
Paint Tools
9 calculatorsPaint coverage, primer, fence stain, deck stain, and coats calculators.
Landscaping Tools
5 calculatorsMulch, soil, gravel, and sand calculators for cubic yards and tons.
Most Used Calculators
Concrete Footing Calculator
Footing volume in yards, feet, and bags with waste.
Underlayment Calculator
Underlayment rolls by coverage and waste.
Paint Calculator
Wall paint gallons from room size and coats.
Mulch Calculator
Mulch volume in cubic yards from area and depth.
Sod Calculator
Sod area and rolls from length and width.
Deck Board Calculator
Decking board counts from layout dimensions.