Plastering & Rendering Calculator
Calculate cement and sand quantities for plastering walls and ceilings. Supports various mix ratios (1:3 to 1:6), multiple plaster thicknesses, and provides accurate material estimates for internal and external rendering.
Wall Specifications
Total surface area to be plastered
Mix Design
Mix Ratio Guide
Ceilings, repair work
Internal walls
External rendering
Non-structural
Enter wall specifications and click Calculate to see materials
Notes:
- Dry volume is 33% more than wet volume (mortar shrinkage)
- 1:4 ratio is standard for internal plastering
- 1:6 ratio is economical for external rough surfaces
- Add 5-10% extra for wastage in actual ordering
- Water quantity varies with sand moisture content
Save Your Calculation
Get a professional PDF report of this calculation, plus access to templates and additional resources.
ESTIMATION NOTICE
This calculator provides APPROXIMATE QUANTITIES for budgeting and planning purposes.
Please note:
• Results include standard wastage factors but actual waste may vary based on site conditions, workmanship, and material quality.