Building & DIY
Materials, loads and site estimating. Every tool is free, works in your browser, and shows its method.
Most used first
All Building & DIY calculators
Board Foot Calculator (Lumber Volume)
Roof Pitch Calculator (Ratio, Degrees, Slope)
Gravel Estimator (yards, tons, and cost)
Square Footage Calculator (multi-shape)
Concrete Slab Calculator (Cubic Yards & Bag Count)
Square Yards (Area) Calculator
Square Feet to Cubic Yards Calculator
Pipe Volume (Interior Capacity) Calculator
Wall Framing (Stud Count) Calculator
Shingle Bundles Needed (Roofing Squares)
Rebar Calculator (Concrete Slab Layout)
Tank Volume Calculator (Four Shapes)
Square Metre Calculator (Floor and Lot Area)
Rafter Length from Run & Pitch
Flooring Calculator (Boxes and Cost)
Sand Calculator (Volume, Tons, and Bags)
Cubic Yard Calculator (Volume & Material Weight)
Brick Quantity & Mortar Estimator
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