1. What is This Calculator?

This calculator helps determine the amount of cement and sand needed for brickwork wall construction based on the mortar volume and cement-to-sand ratio.

2. How Does the Calculator Work?

The calculator uses these formulas:

Where:

• Mortar volume — Total volume of mortar needed (in cubic meters)
• Ratio — Cement to sand ratio (e.g., 1:4 ratio means input 4)
• 1.33 — Dry volume factor accounting for voids and bulking
• 1440 — Density of cement (kg/m³)
• 1600 — Density of sand (kg/m³)

3. Importance of Material Calculation

Details: Accurate material calculation ensures proper structural integrity, avoids wastage, and helps in cost estimation for construction projects.

4. Using the Calculator

Tips: Enter mortar volume in cubic meters and the cement-to-sand ratio (the second number in the ratio). For example, for 1:4 ratio, enter 4.

5. Frequently Asked Questions (FAQ)

Q1: Why multiply by 1.33?
A: This accounts for the dry volume of mortar which is about 33% more than the wet volume due to voids and bulking.

Q2: What are typical cement-sand ratios?
A: Common ratios are 1:3 to 1:6 depending on the application. 1:4 is standard for general brickwork.

Q3: How to estimate mortar volume?
A: Typically 0.03 m³ per square meter of wall area for standard bricks with 10mm joints.

Q4: Why different densities for cement and sand?
A: Cement particles are much denser than sand particles, hence the different density factors.

Q5: Does this account for wastage?
A: No, you should add 5-10% extra to account for spillage and other losses.