Expert Guide

Babu

Plastering Work

Internal Plaster Calculator – Cement & Sand

Quality Inspector

Kaka

Find material quantities for internal wall plastering.

📐 Formula & Method

Mortar Volume = Area × Thickness. Dry Volume = Wet Volume × 1.33. Materials calculated by ratio.

Volume = Area × Thickness × 1.33

📋 Worked Example

50 m² wall, 12mm thick (1:4 ratio):
• Volume = 0.6 m³ wet → 0.8 m³ dry
• Cement ≈ 4.6 bags

❓ Frequently Asked Questions

What is the standard thickness of internal plaster?

Internal plaster is usually 12mm thick on brick surfaces and 6-9mm on concrete surfaces.