Calculate cement and sand required for plastering walls, ceilings and floors.
đ Plaster Results
What is a Plaster Calculator?
BuildCostMate's free plaster calculator helps you estimate the quantity of cement and sand required for plastering walls, ceilings, and floors. It supports multiple surfaces, door/window deductions, and custom mix ratios. Whether you're a contractor, builder, or DIY enthusiast, our tool makes plaster material estimation quick and accurate.
How to Use the Plaster Calculator
Select your preferred unit (Feet or Meter).
Click Add Surface to add walls, ceilings, or floors.
Enter the dimensions of each surface.
Add door/window deductions if needed.
Choose a mix ratio or enter a custom ratio.
Click Calculate Materials.
View the estimated cement bags and sand required.
Why Use the BuildCostMate Plaster Calculator?
Save Money: Avoid over-ordering cement and sand
Save Time: Get instant estimates without complex math
Improve Accuracy: Account for doors, windows, and multiple surfaces
Customize Mix: Choose from standard or custom cement-to-sand ratios
Frequently Asked Questions About Plastering
What mix ratio should I use for plaster?
1:4 (cement:sand) is standard for most plastering work. Use 1:3 for stronger plaster in high-moisture areas and 1:5 for weaker plaster in low-moisture areas.
How thick is the plaster in this calculator?
This calculator uses a standard plaster thickness of 0.5 inches (12mm) for all surfaces.
Is the BuildCostMate Plaster Calculator free?
Yes! BuildCostMate Plaster Calculator is completely free to use with no registration required.
Can I use custom mix ratios?
Yes. You can select Custom Ratio and enter your own cement to sand ratio.
Does the calculator support feet and meters?
Yes. You can switch between Feet and Meter units easily.
