Construction Estimation Guides
Step-by-step guides to estimating materials the way pros do it. Real formulas, real waste factors, and the shortcuts that separate bids that win from bids that bleed.
Concrete
How to Calculate Concrete for a Slab, Footing, or Column
Cubic yards, bag counts, waste factor, and the shape-by-shape formulas pros use. Covers slabs, footings, columns, and stairs.
Read guide → RoofingHow to Estimate Roofing Materials
Squares, bundles, pitch multipliers, underlayment, ridge cap, drip edge, and the waste factors that change with roof complexity.
Read guide → PaintHow to Calculate Paint Coverage
Gallons for walls, ceilings, and exteriors — including primer, multi-coat factoring, and real-world coverage by surface type.
Read guide →Or run the numbers directly
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