Free construction calculators for homeowners, contractors, and engineers. Estimate concrete, gravel, drainage, septic, foundations, slabs, joists, pavers, and other building project quantities.
Use this deck joist spacing calculator to estimate joist count and layout for 12-inch, 16-inch, and 24-inch on-center deck framing. Learn how joist spacing differs from joist span, when to use tighter spacing, and what to check before building.
Quick Summary Multiply your area in square feet by the depth in feet. Divide by 27 for cubic yards. Multiply by 1.3…
Use this free concrete slab price calculator to estimate slab cost by size, thickness, concrete volume, labor, reinforcement, and finish type.
Use this free gutter installation cost calculator to estimate gutters, downspouts, guards, removal and material cost by linear foot.
Use this concrete cinder block calculator to estimate blocks, mortar, openings, waste, core fill and rough wall material cost.
Use this soffit calculator to estimate soffit square feet, panel quantity, vented soffit area, fascia length, waste, and installation cost.
Estimate concrete volume, bags, weight and cost for slabs, footings, piers and post holes with this easy concrete calculator. Use imperial or metric units and add waste allowance for a more realistic material estimate.
Need to know what size septic tank you need? Use this septic tank size calculator to estimate capacity based on bedrooms, occupancy, and water use. Includes examples, sizing tips, and common mistakes.
Estimate your bathroom remodel cost with this free calculator. Compare budget, midrange, high-end and luxury renovation costs by bathroom size, layout, fixtures, tile and US location.
Use this crawl space encapsulation price calculator to estimate how much it may cost to seal and moisture-proof your crawl space