Plaster Calculator – Calculate How Much Plaster You Need

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Wall Putty / Plaster Calculator

Diego M Sep 9, 2026 0

Total wall area (m²):

No. Doors:

Area each (m²):

No. Windows:

Area each (m²):

Average thickness (mm):

Coverage/Yield (kg / m² per mm):

Waste/Safety margin (%):

Net area to cover: 36.42 m²

Total Weight Needed: 96.15 kg

Purchase Recommendation: 4 Bags of 20kg + 4 Bags of 5kg

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