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Wall covering calculator

Calculate walls, openings, pieces and packs.

Rectangular room. Does not determine the cutting layout or include adhesives, joints or preparation. Packs are rounded up to the next whole number. The pattern does not automatically determine wastage: enter the cutting allowance appropriate to the layout.

Formula and assumptions

m² = 2 × (L + W) × H − Uncovered openings (m²)

Material including allowance (m²) = m² × (1 + % ÷ 100)

Rectangular room. Does not determine the cutting layout or include adhesives, joints or preparation. Packs are rounded up to the next whole number.