Our Mission
Construction math is repetitive and error-prone when done by hand. A wrong concrete estimate wastes money; a short shingle count costs you a second delivery. EasyBuildCalc exists to eliminate those mistakes with a simple, fast, free tool for every common calculation — no sign-up, no ads before you get the answer, no paywall.
Every calculator on the site runs entirely in your browser. Nothing you enter is sent to any server — your project data stays private.
Who Uses EasyBuildCalc
Contractors
Quick material estimates for bids and job-site planning.
DIYers
Confident numbers before heading to the lumber yard.
Estimators
A sanity-check alongside full takeoff software.
All Free Calculators
Concrete Calculator
Cubic yards, bags, and ready-mix cost
Board Foot Calculator
Lumber volume in board feet
Roof Pitch Calculator
Rise, run, rafter length, and pitch angle
Rebar Calculator
Rebar quantity and weight for slabs
Brick Calculator
Bricks and mortar for walls
Flooring Calculator
Boxes and material cost for any floor
Stud Calculator
Wall framing studs at 16" or 24" OC
Asphalt Calculator
Tons and cost for driveways and lots
Drywall Calculator
Sheets for walls and ceilings
Paint Calculator
Gallons and quarts for any room
Mulch Calculator
Cubic yards and bags for garden beds
Fence Calculator
Posts, panels, and total cost
Gravel Calculator
Tons and yards of gravel or crushed stone
Deck Calculator
Decking boards and linear footage
Shingles Calculator
Squares and bundles for any roof pitch
Concrete Mix Calculator
Cement, sand, and gravel by mix ratio
Insulation Calculator
Batts and blown-in bags by R-value
Sand Calculator
Cubic yards and tons of sand
Lumber Calculator
Board count and board feet for any size
Accuracy & Methodology
Each calculator uses standard industry formulas — the same ones found in construction estimating textbooks and manufacturer coverage tables. Where values vary by region or product (like concrete bag coverage or insulation R-values per inch), we use the most commonly published figures and note the assumptions clearly.
Results should be used as estimates. Always verify critical quantities with your supplier or engineer before ordering materials for structural applications.
Found a bug or want a new calculator?
We're constantly adding new tools based on user requests. If a calculation is giving you wrong results or you need a tool we don't have yet, let us know.
Contact us →