Concrete & Cement
Browse free concrete & cement calculators with instant results, step-by-step formulas and FAQs.
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All Concrete & Cement calculators (50 free tools)
Over 50 free concrete & cement calculation tools. Every concrete & cement calculator below runs instantly in your browser with published formulas, no sign-up. Free and ad-free. Popular choices: Concrete Volume Calculator, Concrete Slab Calculator, Concrete Footing Calculator.
Popular Concrete & Cement calculators
Concrete Volume Calculator | Concrete Slab Calculator | Concrete Footing Calculator | Concrete Foundation Calculator | Concrete Wall Calculator | Concrete Column Calculator | Concrete Pier Calculator | Concrete Post Hole Calculator
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Every concrete & cement formula follows standard references and conventional methods — transparent computation with no accounts and no sponsored calculators.
Key formulas & benchmarks
- Concrete volume = length × width × thickness; order 5–10% extra for waste.
- Board foot = 144 cubic inches; add 10–15% waste to lumber orders.
- Roof pitch = rise ÷ run; slope area factor = √(1 + pitch²).
- One 4×8 drywall sheet covers 32 sq ft; subtract large openings.
- Paint covers ~350 sq ft per gallon per coat; most walls need two coats.