Free Tools by Jake
Interactive calculators, estimators, and references built by a licensed contractor for the homeowners and pros doing the work themselves. No signup, no ads, no data sent anywhere — every tool runs on your device.
Lumber Calculator
Studs, plates, headers, joists, sheathing, and board feet for any framing project. Wall, floor, deck, or stock-piece pricing — multi-section, openings-aware, printable shopping list.
Open toolSod Calculator
Multi-shape sod, pallet, and delivery-weight estimator. Grass-type aware (Bermuda / Fescue / Zoysia / etc.), printable shopping list, embeddable widget.
Open toolRaised Garden Bed Soil Calculator
How much soil to fill a raised bed — cubic feet, cubic yards, and how many bags of compost, topsoil, and aeration. Rectangle / round / oval, multi-bed, bags-vs-bulk, mix recipes, printable shopping list.
Open toolFlooring Calculator
Vinyl, hardwood, laminate, or carpet — type-aware engine with waste %, carton or roll rounding, underlayment, transitions, fasteners, and printable shopping list.
Open toolTile Calculator
Multi-room tile, thinset, grout, and spacer estimator. Pattern-aware waste %, printable shopping list, embeddable widget.
Open toolFence Calculator
Posts, rails, pickets, concrete, and hardware estimator for any fence style. Multi-segment, frost-zone aware, printable lumber-yard shopping list.
Open toolBrick Calculator
Multi-wall brick + mortar bag estimator. Bond-pattern aware (running, English, Flemish, herringbone), 8 brick-size presets, openings subtraction, single/double wythe, printable mason's list.
Open toolMetal Roofing Calculator
Panels, screws, ridge cap, eave drip, rake trim, foam closures, and underlayment estimator for any pole barn, garage, cabin, or house roof. Profile-aware (R-Panel / 5V / Corrugated / Standing Seam / Ag-Panel), multi-section, pitch-aware, printable shopping list.
Open toolRetaining Wall Calculator
Full BOM for a segmental retaining wall — blocks, caps, base aggregate, drainage gravel, drain pipe, filter fabric, adhesive, and geogrid. Multi-segment, 4-ft engineer-required threshold built in, total delivery weight, printable build list.
Open toolSonotube Calculator
Full concrete pour plan for Sonotube footings — volume, 60 / 80 lb bag count, tube count by diameter, #4 vertical rebar, #3 tie rings, and total delivery weight. Multi-pier groups, climate-region frost-line gate built in, printable pour plan PDF.
Open toolPool Gallon Calculator
Volume in gallons + liters + m³ for six pool shapes (rectangle, round, oval, kidney, L, freeform) with sloped depth on every shape. Plus fill time at garden-hose GPM, drain time at sump-pump GPM, refill cost, and start-up chemical doses.
Open toolR-Value Insulation Chart
Find the R-value of any insulation by material and thickness, then check it against the recommended level for your climate zone or state. Live for attics, walls, floors, crawlspaces, and basements — with R-per-inch + by-zone reference tables, printable PDF, and embeddable widget.
Open toolR-Value Calculator
Stack the insulation layers in any wall, attic, or floor and get the combined total R-value and U-factor. Add materials by thickness or known R, optional air films, climate-zone code check, printable layer-by-layer PDF, and embeddable widget.
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