Quantity surveying

Bill of quantities / cost estimate

Inputs

One line per item, values separated by ";". Decimals may use a comma or a point.

Formulas

Montant = Q × PU
Total HT = Σ Montants × (1 + aléas/100)
TVA = HT × t ; TTC = HT + TVA

Assumptions

  • Unit prices are entered by the user; no price database is provided.

Fill in the inputs and run the calculation: results and every intermediate step will appear here.

These tools provide estimates and calculation aids. They are neither design calculations nor an engineering approval: any design or safety decision must be checked by a qualified professional against the applicable standards.

Version 1.0 · last reviewed: 10 Oct 2026