Formwork Area Calculateur (m²/ft²)
Compute formwork area by member type and apply opening deduction rules to get net area.
Multipliers are reference values and are not costs (unit price × quantity).
Entr?es
Length inputs are unified to mm for metric and in for imperial.
Top and bottom end faces are not included (adjust via multipliers or separate items if needed).
Substitution
Ouvriring deductions (width × height)
| Width | Height | Qty | Area | Retirer |
|---|
Ouvriring deduction rules
Multiplier (optional)
R?sultats
Show breakdown
Ouvriring deductions (important)
Deduction conditions (small openings, one-side deductions, thresholds) vary by owner, company, and contract terms.
This tool provides common rule templates. Choose or edit them to match the project.
If uncertain, check the contract, quantity standards, or owner specifications.
This tool is a calculation aid and not a substitute for design, regulations, contracts, or safety requirements.
Preset values are examples and will vary by conditions.