Construction Calculator
Calculate material quantities and costs for common construction projects like concrete, bricks, paint, flooring, and more.
Published by:
isCalculator Editorial Team
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How to use this tool?
This calculator estimates materials for concrete, bricks, paint, or flooring projects. All measurements must be in meters.
- Select Project Type – Choose from Concrete, Bricks, Paint, or Flooring.
- Enter Dimensions – Input Length, Width, and Height (in meters). For concrete, Height is slab thickness; for bricks, Height is wall height.
- Set Extra – This field changes based on project type:
- Concrete/Bricks: Waste percentage (e.g., 10 for 10% waste).
- Paint: Number of coats (minimum 1).
- Flooring: Area covered per box in m² (default 2.5).
- Click Calculate – The result shows the total material needed (m³, bricks, liters, or boxes) with a brief formula explanation.
Note: All values must be positive numbers. The calculator uses metric units only.
Previous Results
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Frequently Asked Questions
Multiply length, width, and height (thickness) to get volume in cubic meters. Add waste percentage for extra material.
Standard bricks: approximately 60 bricks per m² for a single layer wall. Adjust for waste.
Divide total wall area by coverage per liter (typically 11 m² per liter). Multiply by number of coats.