Home Improvement

All tools
List of tools tagged as Home Improvement
Accessibility Ramp Slope Calculator
Plan or check accessibility ramp geometry from rise and run, then compare the route with key 2010 ADA slope and clearance benchmarks.
Asphalt Materials Calculator
Estimate asphalt order weight from area and compacted depth using mix density, allowance and supplier rounding with truckloads and optional cost.
Attic Ventilation Calculator
Size passive attic ventilation from floor area, balance intake and exhaust NFA, then convert product ratings into lengths or vent counts.
Baluster Spacing Calculator
Calculate baluster count and clear spacing from a finished rail opening and actual part width, including stair-rake and field-rounding checks.
Bathroom Exhaust Fan CFM Calculator
Calculate bathroom exhaust fan CFM from room dimensions and fixtures, account for tall ceilings, then compare fan classes and installation checks.
Cement Board Sheets Calculator
Estimate whole cement board sheets and sheet cost for floors, walls and alcoves with opening deductions plus waste, spares and accessory allowances.
Concrete Calculator
Estimate concrete for slabs and other common pours with waste, whole-bag counts and ready-mix rounding, plus optional material cost and weight.
Countertop Slab Yield Calculator
Estimate countertop slabs to reserve from measured pieces and usable slab size, including layout allowances plus seam-fit and material-cost checks.
Deck Materials Calculator
Estimate deck boards and framing alongside footings and railing, stairs and hardware with an illustrative budget for a rectangular layout.
Drop Ceiling Grid Materials Calculator
Estimate suspended-ceiling tile and grid materials from room size and panel module, including hanger wire plus whole-carton and fastener needs.
Drywall Materials Calculator
Estimate drywall sheets and supporting materials for walls or ceilings using measured dimensions or known area, with waste and cost planning.
Electrical Box Fill Calculator
Calculate NEC-style box fill from conductors and fittings, then compare required volume with the marked box capacity and available margin.
Electrical Panel Load Calculator
Estimate dwelling electrical service demand from general and major loads, then compare the result with the entered rating and headroom target.
Extension Cord Voltage Drop Calculator
Estimate extension-cord voltage drop and load voltage from copper AWG, length, and current with checks for heat loss and safe run length.
Fence Materials Calculator
Estimate fence posts and style-specific infill from a measured run with gates and corners while accounting for waste, footing concrete, and material cost.
Flagstone Patio Materials Calculator
Estimate a flagstone patio order from geometry and supplier coverage, including subsurface layers plus joint-fill and perimeter allowances with cost.
Flooring Calculator
Estimate flooring boxes from measured area and carton coverage, then account for waste, full-box rounding, spare stock, tax, and cost.
French Drain Materials Calculator
Estimate French drain stone, pipe, fabric, required fall, and material cost from trench dimensions, outlet choice, and order units.
Gravel Calculator
Estimate gravel volume and mass from area and depth using bulk density, then apply supplier minimums, order increments and material costs.
Gutter Downspout Calculator
Size and place gutter downspouts using roof area and rainfall, check leader capacity and spacing, then estimate gutter and hardware quantities.
Heat Pump Savings Calculator
Estimate heat pump operating savings and simple payback using fuel use and seasonal efficiency, with utility rates and backup heat included.
Home EV Charger Install Cost Calculator
Estimate a home EV charger installation budget from circuit size and wire route with panel work, labor, permits and uncertainty included.
House Wrap Rolls Calculator
Estimate house wrap rolls from wall geometry and printed roll size with whole-roll rounding plus seam, flashing-tape, and fastener checks.
LED Savings Calculator
Estimate annual LED energy and bill savings from your lighting schedule, then compare upgrade cost, simple payback and long-term net benefit.
Ladder Reach Calculator
Choose a ladder size for roof access or elevated work using reach geometry and standing limits, with load-rating and electrical-hazard checks.
Landscape Rock Coverage Calculator
Estimate how much landscape rock to order from bed area and installed depth, then account for bulk density, reserve and supplier rounding.
Paint Calculator
Estimate wall and ceiling paint from measured area and openings using coat count, product coverage, waste allowance and whole-container rounding.
Painting Quote Calculator
Price a painting job from measured area and job assumptions with paint and labor costs plus overhead, margin and a minimum quote.
Polymeric Sand Calculator
Estimate polymeric sand bags from paver geometry and product yield, then test how joint width and installation conditions affect the plan.
Post Hole Concrete Calculator
Estimate concrete bags for round post holes after post displacement and gravel depth, with bag yield, waste allowance and optional cost.
Range Hood CFM Calculator
Estimate a range hood airflow target from cooking load and capture geometry, then screen a real hood for duct and makeup-air concerns.
Rebar Calculator
Estimate a rectangular slab rebar grid from cover and spacing, then calculate cut length, full stock bars, steel weight, and optional cost.
Roof Sheathing Sheets Calculator
Estimate whole roof sheathing sheets from footprint or measured deck area, with pitch, waste, panel size, H-clip, surplus, and cost checks.
Roofing Calculator
Calculate roof surface area and whole shingle bundles from footprint or measured area with pitch, waste, product coverage and accessory estimates.
Rooftop Solar Fit Calculator
Estimate how many solar panels fit one roof face after pitch, setbacks, keepouts, frame gaps, and orientation, then screen DC size and annual energy.
Shop Lighting Lumens Calculator
Plan a shop lighting grid from room size and work-plane lux with fixture counts and spacing checks that allow for losses and energy use.
Solar Panel Array Size Calculator
Estimate solar module count and DC array size from electricity use, sun hours, losses, available area, and optional inverter sizing.
Spray Foam Kit Coverage Calculator
Estimate spray foam kit coverage from area and installed depth, then adjust label yield for field loss and waste before whole-kit rounding.
Stair Stringer Calculator
Lay out straight stair stringers from finished rise and tread run with checks for code limits, throat depth, stock length and support spacing.
Stud Wall Framing Calculator
Estimate lumber and cost for one stud wall run with openings and plates, plus cut lengths, waste allowance and whole-board purchase rounding.
Subfloor Sheets Calculator
Estimate a full-sheet subfloor order from dimensions or measured area with waste and accessory quantities plus blocking checks and panel cost.
Sump Pump Size Calculator
Size a sump pump by combining peak inflow with total dynamic head, then compare manufacturer-rated capacity and check cycling risk at that duty point.
Thinset Bag Calculator
Estimate whole thinset bags from tile area and product coverage, including waste and back-buttering plus bag-size scaling and optional spares.
Tile Calculator
Calculate full tile boxes from measured area and tile module size, then add waste, spare stock and cost checks for a practical buying plan.
Tile Grout Bags Calculator
Estimate tile grout packages from area and joint geometry, then account for product factor, waste, whole-package rounding, and leftover.
Wallpaper Calculator
Estimate wallpaper rolls from wall dimensions and full-strip yield while accounting for pattern repeat, openings, waste and cost before ordering.
Water Well Pump Size Calculator
Size a well pump at the required flow and total dynamic head, then screen well yield plus pipe velocity, tank drawdown and pump-curve fit.
Window U-value Calculator
Compare current and proposed whole-window U-values, then estimate conductive heat-flow and seasonal differences with consistent unit conversion.