Calculators for Contractors and DIY Homeowners
Concrete, paint, flooring, drywall, roofing, fence, deck, gravel, HVAC, solar, and home utility calculators.
Built for Contractors, DIY homeowners, remodelers, estimators, and home project planners.
Open each client-side calculator directly from this workflow collection.
All calculators in this collection
Browse 10 calculators with category context for each tool.
Concrete Calculator
Calculate concrete cubic yards and bags needed for a slab or footing.
Paint Estimator
Estimate gallons of paint required for walls based on room dimensions.
Flooring & Tile
Calculate square footage and boxes needed for flooring or tiling projects.
Drywall Sheets
Estimate how many 4x8 or 4x12 drywall sheets you need.
Roofing Materials
Calculate roof area, squares, and shingle bundles based on pitch.
Fence Estimator
Estimate panels, posts, and concrete for a fence line.
Decking Boards
Calculate linear feet of decking boards needed.
Gravel & Mulch
Calculate gravel or mulch volume in yards and tons.
Solar Panel Payback Calculator
Estimate solar panel payback period from project cost, incentives, production, utility rate, and degradation.
Heat Pump Savings Calculator
Estimate annual heating cost savings from switching to a heat pump using user-entered fuel, efficiency, COP, and electric rate.
Related categories
Explore adjacent calculator categories connected to this workflow.
Related collections
Continue through collections with similar planning needs.
California residents
California paycheck, sales tax, housing, rent, utilities, commute, vehicle registration, EV charging, and insurance calculators.
Browse collectionReal estate investors
Cap rate, cash-on-cash, DSCR, rental ROI, NOI, flips, BRRRR, rehab, property management, and tax timeline calculators.
Browse collection