Buildings and structures

Masonry walls: area, blocks, mortar

Inputs

Formulas

S = L × H − S_ouv
n/m² = 1 / ((l_b + j) × (h_b + j))
N = S × n/m² × (1 + p/100)
Mortier = S × q

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