Construction & Home Improvement Calculators
Free, professional-grade estimating tools for homeowners, contractors, and DIY builders. Select a calculator below to get started.
Available Calculators
Soffit & Fascia Calculator
Estimate Materials, Panels, and Cost for Your Soffit and Fascia Project
Multiply the total linear feet of your eaves and rakes by the overhang width (in feet) to get the soffit square footage. For a typical single-story ranch with 160 linear feet of eaves and a 1.
Septic Tank Size Calculator
Estimate Tank Capacity, Drain Field Size, and Pumping Schedule
Septic tank size is determined primarily by the number of bedrooms in your home, not the number of occupants. Most state codes require a minimum 1,000-gallon tank for a 1–3 bedroom home, 1,250 gallons for 4 bedrooms, and 1,500 gallons for 5–6 bedrooms.
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These calculators are currently in development. Sign up to be notified when they launch.
CMU Block Calculator
Concrete Masonry Unit Estimator
Calculate the number of CMU blocks, mortar bags, and rebar needed for your wall, foundation, or retaining wall project. Supports 8×8×16, 12×8×16, and other standard block sizes.
Decomposed Granite Calculator
Coverage & Tonnage Estimator
Estimate the cubic yards and tons of decomposed granite needed for pathways, patios, driveways, and xeriscaping projects. Includes depth recommendations by application.
River Rock Calculator
Bulk Material Coverage Estimator
Calculate the tons and cubic yards of river rock needed for drainage, decorative beds, dry creek beds, and ground cover. Supports multiple rock sizes from pea gravel to large cobble.
Pine Straw Calculator
Bale Count & Coverage Estimator
Estimate the number of pine straw bales needed for mulching beds, tree rings, and landscape areas. Covers both long-needle and slash pine varieties with depth recommendations.