Expert Guide

Babu

Plastering Work

Wall Primer Calculator – Base Coat

Quality Inspector

Kaka

Estimate primer for interior/exterior walls.

📐 Formula & Method

Quantity = Area in sq.ft / Coverage.

Litres = (Area × 10.76) / Coverage

📋 Worked Example

100 m² wall (120sq.ft/ltr):
• Area = 1076 sq.ft
• Litres ≈ 9 litres

❓ Frequently Asked Questions

Is primer necessary?

Yes, it provides a stable base for the paint, improves coverage, and prevents the paint from peeling.