Free Home Renovation
Calculators
Instant, client-side construction and material calculators for trade pros, homeowners, and DIYers. Estimate tile, concrete, paint, lumber, drywall, and complete room remodels with zero guesswork.
Planning a Full Remodel?
Don't recalculate dimensions 5 times. Our project combos take your room size once and calculate tiles, paint, drywall, fasteners, and subfloor simultaneously into one unified Bill of Materials.
Calculator Directory
Showing 42 of 42 available tools
Tile Calculator
Calculate square footage, exact tile counts, waste buffers, and box quantities for straight, diagonal, or herringbone layouts.
Flooring Cost Calculator
Estimate square footage, box requirements, waste factors, and total material costs for hardwood, laminate, vinyl plank, and tile.
Grout Calculator
Calculate pounds or kilograms of sanded, unsanded, or epoxy grout needed based on tile dimensions, joint width, and depth.
Subfloor & Underlayment Calculator
Estimate 4x8 plywood or OSB subfloor sheets, tongue-and-groove waste buffer, screws, and construction adhesive tubes.
Carpet & Padding Calculator
Calculate square yards, square meters, roll lengths, tack strips, and padding for 12ft and 15ft carpet rolls.
Tile Mortar & Thinset Calculator
Estimate 50lb bags of thinset mortar based on square footage and trowel notch size (1/4", 3/8", 1/2" or V-notch).
Paint Calculator
Estimate gallons or liters of paint needed based on room dimensions, door & window deductions, and coats.
Primer Paint Calculator
Calculate primer gallons needed for bare drywall, stained wood, or masonry before painting.
Baseboard & Trim Calculator
Calculate linear feet, board quantities (8ft, 12ft, 16ft), finish nails, and caulk for perimeter baseboard trim.
Wallpaper Calculator
Estimate wallpaper rolls needed based on wall dimensions, roll lengths, and pattern repeat drop allowances.
Drywall Sheet Calculator
Calculate 4x8 or 4x12 drywall sheets, joint compound buckets, and drywall screws needed for walls and ceilings.
Drywall Mud & Joint Compound Calculator
Calculate 4.5-gallon buckets of ready-mix joint compound, paper tape rolls, and corner bead for Level 3, 4, or 5 finishes.
Concrete Volume & Bag Calculator
Calculate concrete volume in cubic yards, cubic meters, ready-mix truckloads, and 40lb/60lb/80lb bags for slabs and footings.
Concrete Slab Cost & Volume Estimator
Comprehensive estimator for concrete slabs: ready-mix yards, sub-base gravel, rebar grid, edge forms, and material cost.
Paver & Patio Base Calculator
Calculate patio paver counts (12x12, 6x9, 4x8), 1-inch bedding sand volume, crushed stone base, and edge restraints.
Retaining Wall Block Calculator
Calculate retaining wall blocks (4x12, 6x16, 8x18), buried base courses, cap blocks, and drainage gravel backfill.
Brick & Mortar Wall Calculator
Calculate standard and modular brick quantities, pre-mixed mortar bags, and masonry sand for single or double wythe walls.
Rebar & Mesh Reinforcement Calculator
Calculate 20ft rebar sticks, grid intersections, tie wire pounds, and support chairs for concrete slab reinforcement.
Wall Framing & Stud Calculator
Calculate 2x4 and 2x6 framing studs (16" or 24" OC), top and bottom plates, door/window headers, and framing nails.
Plywood & Sheet Goods Calculator
Calculate 4x8, 4x9, 4x10, or 5x5 plywood, OSB, or MDF sheets needed for subfloors, walls, and roofs.
Deck Board Calculator
Estimate decking boards, total linear feet, spacing gaps, and hidden fastener screw counts for composite or wood decks.
Deck Railing & Baluster Calculator
Calculate 4x4 posts, top/bottom 2x4 rails, vertical balusters, and exact spacing compliant with the 4-inch sphere building code.
Deck Post & Footing Depth Calculator
Calculate Sonotube diameter, frost line depth, concrete bags per hole, and post anchor brackets for deck piers.
Stair Stringer & Step Calculator
Calculate step count, exact riser height, tread depth, total horizontal run, and 2x12 stringer board length.
Board Feet & Lumber Cost Calculator
Calculate board feet (BF = T × W × L / 12), cubic meters, and lumber costs for hardwood timber and carpentry projects.
Roofing Shingle Calculator
Calculate roof squares, asphalt shingle bundles, and waste percentages adjusted for roof pitch multipliers.
Gutter Length & Downspout Calculator
Calculate linear feet of 5" or 6" rain gutters, downspouts (1 per 35ft rule), end caps, corners, and fascia hangers.
Siding & Squares Calculator
Calculate siding squares (100 sq ft), vinyl lap panels, starter strips, and J-channel molding with window deductions.
Shed Roof & Lean-To Calculator
Calculate rafter lengths, roof pitch angle, 4x8 plywood sheathing sheets, and roofing squares for lean-to shed roofs.
Insulation Batts & Rolls Calculator
Calculate insulation rolls and batts needed for walls, attics, and crawlspaces across R-13, R-19, R-30, R-38, and R-49 ratings.
Attic Ventilation & Ridge Vent Calculator
Calculate Net Free Vent Area (NFVA) under the 1:300 code rule, continuous ridge vent footage, and soffit intake vents.
HVAC BTU & AC Tonnage Sizing Calculator
Estimate room heating and cooling BTU requirements and AC tonnage adjusted for ceiling height, climate zone, and insulation.
Mulch, Soil & Topsoil Calculator
Calculate cubic yards, cubic meters, standard bags, and bulk truckloads for garden mulch, topsoil, compost, and gravel.
Driveway & Pathway Gravel Calculator
Calculate tons, cubic yards, and 50lb bags of crushed stone or pea gravel for driveways, French drains, and garden paths.
Sod & Lawn Turf Calculator
Calculate lawn turf rolls (standard 2ft x 5ft), pallets, topsoil dressing prep, and waste buffers for new sod installation.
Fence Material Calculator
Estimate fence posts, privacy panels, pickets, horizontal rails, and gate openings for wood or vinyl perimeter fencing.
French Drain & Drainage Trench Calculator
Calculate trench excavation cubic yards, 3/4" drainage gravel tons, 4" perforated pipe footage, and geotextile filter fabric.
Asphalt Driveway Sealer Calculator
Estimate 5-gallon pails of asphalt emulsion driveway sealer, total gallons, and rubberized crack filler based on surface condition.
Electrical Wire Gauge & Voltage Drop Calculator
Calculate recommended AWG wire gauge (14, 12, 10, 8, 6, 4) and verify voltage drop is under the 3% NEC limit for 120V/240V circuits.
Plumbing Supply Pipe Sizing Calculator
Size main water supply and branch lines (Copper/PEX) based on Water Supply Fixture Units (WSFU) and peak flow rate GPM.
Cabinet Hardware & Drawer Pull Spacing Calculator
Calculate drill hole positions from edges, center-to-center pull spacing, and single vs dual pull layouts on kitchen cabinets.
Epoxy Garage Floor Coating Calculator
Calculate epoxy coating gallons, decorative color flakes, anti-slip additive, and acid etch cleaner for 1-car, 2-car, or 3-car garages.
Step-by-Step Installation Guides
How to Tile a Bathroom Floor (Step by Step)
Complete walkthrough from subfloor preparation, membrane installation, thinset mortar selection, to laying and grouting tile without lippage.
Read guide (8 min read) →Cost BreakdownHow Much Does a Bathroom Renovation Cost in 2026?
Detailed cost breakdown across budget, mid-grade, and luxury renovations. Where to spend, where to save, and accurate material cost estimates.
Read guide (10 min read) →ComparisonConcrete vs Pavers: Which Is Cheaper for Patios & Driveways?
An honest comparison of initial material costs, longevity, cracking risk, subbase labor, and maintenance for outdoor concrete slabs vs interlocking pavers.
Read guide (7 min read) →