Concrete Beam Calculator
For concrete beams: enter the section breadth × depth, the beam length and the number of beams to get the pour volume together with the side formwork area for shuttering take-off.
Disclaimer：Results are produced by deterministic formulas and are intended for quantity estimating and option comparison only. A qualified engineer must verify them against the project specification, design documents and actual site conditions before use. The author accepts no liability for any loss arising from their use.
ASSUMPTIONS
RESULT
CALCULATION
METHOD
Beam volume
V = b × d × L × n; side formwork area A = 2 × d × L × n, excluding soffit formwork.- Volumetric method: volume = cross-sectional area × thickness, the standard basis for concrete quantity take-off.
- Waste allowance and density are empirical values; verify them against the project specification and the approved mix design.
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