1. What is Cement-Sand Ratio?

The cement-sand ratio refers to the proportion of cement to sand in construction mixes. Proper ratios ensure strength, durability, and workability of mortar or concrete.

2. How Does the Calculator Work?

The calculator uses standard mixing ratios:

Calculation: Based on your input cement quantity, it calculates the required sand (and aggregate for concrete) amounts.

3. Importance of Proper Mixing Ratios

Details: Correct ratios ensure structural integrity. Too much cement makes mixes brittle, while too little reduces strength.

4. Using the Calculator

Steps: Select material type, choose ratio, enter cement quantity in kg. The calculator will show required sand and aggregate amounts.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between mortar and concrete ratios?
A: Mortar uses only cement and sand, while concrete adds aggregate (gravel) to the mix.

Q2: When to use 1:4 vs 1:6 mortar?
A: 1:4 for structural work, 1:6 for plastering or non-load bearing applications.

Q3: How much water to add?
A: Water is typically 20-25% of cement weight, but adjust for desired consistency.

Q4: Can I use this for large projects?
A: For large projects, consult an engineer as other factors may affect mix design.

Q5: What if my sand is wet?
A: Account for moisture content - wet sand weighs more and may require adjustment.