Custo m² construção
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
CUB × (1+enc) × (1+luc)
About this calculator
The 'Construction Cost per m²' calculator estimates the cost per square meter of a project, factoring in the Base Unit Cost (CUB), charges, and profit margin. It's ideal for budgeting renovations, housing developments, or engineering projects. The calculation combines the base construction cost with adjustments for indirect expenses and the contractor's markup.
The formula used is: CUB × (1 + charges) × (1 + profit), where 'charges' include administrative fees, taxes, and risks, and 'profit' represents the contractor's margin. For example, if the CUB is $1,500/m² with 10% charges and 20% profit, the final cost becomes $1,980/m² (1,500 × 1.1 × 1.2).
Use this tool to compare budgets from different companies, set realistic financial expectations, or plan projects with limited resources. Ensure the CUB is up-to-date for your region, as it varies with local material and labor costs.
Caveats: the CUB should follow ABNT standards or engineering firm guidelines. Charges and profit are estimates; consult professionals for adjustments in specific projects. The calculator excludes additional costs like design fees, permits, or construction contingencies.
Frequently asked questions
What is CUB in construction?
CUB (Base Unit Cost) is the per-square-meter construction cost, calculated based on materials, labor, and equipment. It varies by region and project type.
How to use this calculator for budget comparisons?
Enter the CUB provided by each company, adjusting charge and profit percentages. Higher total costs may indicate better quality or additional services.
Why are charges and profit expressed as percentages?
Percentages simplify calculations since they vary by company size, project complexity, and local market. Typical ranges: charges 10-15%, profit 15-25%.
Does the calculator include project design costs?
No, CUB usually covers basic planning. Architecture, engineering, or supervision fees should be added separately to the total budget.
How to find an updated CUB?
Consult engineering associations, cost firms (like Construction Industry Associations), or market tools that update regional rates regularly.