🧱 Concrete Calculator
Calculate cubic yards of concrete for slabs, footings, and columns. Supports rectangular and circular shapes.
Calculate Now →Choose a Calculator
All calculators use industry-standard formulas and are 100% free to use.
🪵 Board Feet Calculator
Calculate lumber board feet and estimate costs. Enter dimensions and quantity for instant results.
Calculate Now →🏗️ Drywall Estimator
Estimate drywall sheets, tape, joint compound, and screws for any room. Accounts for doors and windows.
Calculate Now →🎨 Paint Coverage Calculator
Calculate gallons of paint needed. Enter room dimensions or total square footage, number of coats, and deductions.
Calculate Now →🪨 Gravel & Aggregate Calculator
Calculate tons of gravel, sand, crushed stone, or topsoil needed for your project.
Calculate Now →🏠 Roofing Calculator
Estimate roofing squares, bundles, underlayment, ridge cap, and nails based on roof dimensions and pitch.
Calculate Now →📐 Stud Calculator
Calculate studs and plates needed for wall framing. Supports 16" and 24" on-center spacing.
Calculate Now →🔲 Tile Calculator
Calculate tiles needed including grout spacing and waste percentage. Works for any tile size.
Calculate Now →🏗️ Fence Material Calculator
Calculate posts, rails, pickets, and concrete for wood privacy fences or chain link fences.
Calculate Now →⚡ Electrical Wire Size Calculator
Determine the correct AWG wire gauge based on NEC voltage drop guidelines for copper or aluminum.
Calculate Now →🧱 Concrete Block / CMU Calculator
Calculate concrete blocks, mortar bags, and rebar for wall construction. Multiple block sizes supported.
Calculate Now →🌿 Mulch Calculator
Estimate cubic yards and bags of mulch needed for landscaping beds. Includes cost breakdown.
Calculate Now →🪵 Deck Board Calculator
Calculate deck boards, joists, screws, and linear footage with adjustable waste factor.
Calculate Now →🪜 Staircase Calculator
Calculate risers, treads, stringer length, and total run with building code compliance check.
Calculate Now →🧊 Insulation Calculator
Estimate insulation for walls, attics, and ceilings. Supports batt, blown-in, and spray foam types.
Calculate Now →🧩 Paver / Patio Calculator
Calculate pavers, leveling sand, gravel sub-base, and edge restraint for patios and walkways.
Calculate Now →Why Use BuildCalc Calculators?
Getting material estimates right saves time and money. Over-ordering wastes your budget; under-ordering delays your project. Our calculators use the same industry-standard formulas that professional contractors rely on every day.
- Accurate formulas — based on real-world construction standards
- Completely free — no signup, no email, no limits
- Mobile friendly — use on the job site from your phone
- Instant results — enter measurements, get your answer