Materials & Cost Calculators
Free tools for estimating material quantities and costs — paint coverage, roofing bundles, adhesive volumes, welding time, and more. Get accurate numbers before you buy to reduce waste and stay on budget.
Most PopularParking Lot Size Calculator
Calculate total parking lot area, ADA-compliant spaces, striping needs, and paving cost estimates. Covers rectangle and L-shaped lots with US accessibility standards.
Seating Capacity Calculator
Estimate maximum seating capacity for theatres, banquets, classrooms, and restaurants. Accounts for aisle space, table layouts, and fire code clearances.
Tile Adhesive Calculator
Calculate tile adhesive quantity by area, tile size, adhesive type, and substrate. Covers thin-set, mastic, and epoxy with trowel size guidance and cost estimates.
Square Feet to Percentage Calculator
Convert square footage to percentage of total area. Useful for lease breakdowns, HVAC load allocation, cost sharing, and building code compliance checks.
Roofing Shingle Bundle Calculator
Calculate how many shingle bundles your roof needs. Accounts for roof pitch, waste factor, ridge caps, and gives bundle and square counts with cost estimates.
Door Swing Clearance Calculator
Calculate door swing clearance depth, width, arc area, and ADA compliance. Covers standard, pocket, barn, and bifold doors with building code guidance.
Ceiling Paint Calculator
Calculate how much ceiling paint you need by room size, paint type, and number of coats. Includes coverage rates, cost estimates, and drying times for flat latex, primer, and textured paint.
Weld Time Calculator
Estimate welding time, filler material weight, shielding gas usage, and labour cost. Compares MIG, TIG, and stick processes for butt, fillet, lap, and groove joints.
Pergola Size & Spacing Calculator
Calculate pergola post count, rafter spacing, beam lengths, and total material cost. Covers wood (4×4, 6×6), aluminium, and vinyl with post spacing guidance.
Weld Deposition Rate Calculator
Calculate welding deposition rates and electrode consumption for SMAW, GMAW, and FCAW processes. Estimate filler metal weight and cost per project.
Paint Ratio Calculator
Calculate paint mixing ratios for two-part coatings. Get exact hardener and reducer volumes for epoxy, polyurethane, urethane, and primer systems.
Gutter Sizing Calculator
Size gutters and downspouts for your roof area, pitch, and local rainfall intensity. Get recommended gutter width, downspout count, material type comparison, and cost estimates based on SMACNA standards.
Drywall Joint Compound Calculator
Estimate joint compound, paper tape, and corner bead quantities for drywall finishing. Enter sheet count, finish level, and corner details for accurate material lists and cost estimates.
Septic Cost Calculator
Estimate septic system installation costs including tank, drain field, excavation, and permits. Adjust for soil type, home size, and local permit fees to build an accurate budget for conventional gravity systems.
Inlet Capacity Calculator
Calculate storm drain inlet capacity by type, grate size, and rainfall intensity. Size grate, curb, and combination inlets for parking lots, roads, and commercial sites using the rational method.
Cabinetry Material Calculator
Estimate plywood sheets, hardware, and edgebanding for cabinet builds. Enter cabinet count, dimensions, and material type to generate a complete order list with cost ranges.
House Painting Cost Calculator
Estimate interior house painting costs by wall area, room count, paint quality, and number of coats. Compare DIY material costs against professional labour rates to build a realistic painting budget.
Wall Soundproofing Calculator
Estimate soundproofing materials for walls — mass-loaded vinyl, resilient channel, acoustic insulation, and double drywall. Enter wall area, height, and method for a complete material list with costs.
Insulation Requirement Calculator
Find the minimum R-value for your climate zone and estimate insulation quantities for walls, attics, and floors. Covers fiberglass batts, mineral wool, blown-in cellulose, and spray foam with 2026 cost estimates.
Cabinet Paint Calculator
Estimate paint, primer, and supply costs for kitchen cabinet refinishing. Enter your door count, cabinet dimensions, and finish type to get a complete materials list with quantities and pricing.
Door Frame Size Calculator
Calculate door frame dimensions, jamb width, rough opening size, and trim requirements from wall thickness and door size. Covers prehung and site-built frames for interior and exterior doors.