Plaster Calculator Plaster Calculator Plaster Calculator Area & Thickness Direct Volume Area (sq ft): Thickness (inches): Volume (cubic meters): Mix Ratio: 1:3 (Rich Mix) 1:4 (Standard Mix) 1:5 (Economical Mix) 1:6 (Rough Work) Cement Bag Size: 40 kg 50 kg Waste Factor (%): Calculate Reset Mix Ratio: Total Volume: m³ Required Cement: bags ( kg each) Required Sand: m³ Approximate Water Needed: liters Cost Estimation Cement Price (per bag): Sand Price (per m³): Calculate Cost Download Report