Paint Volume Formula:
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Definition: This calculator estimates the amount of Dulux paint needed based on the area to be painted and the paint's coverage rate.
Purpose: It helps homeowners and professionals determine how much paint is required for their painting projects.
The calculator uses the formula:
Where:
Explanation: The total area is divided by the paint's coverage rate to determine how many gallons are needed.
Details: Accurate paint estimation ensures you purchase the right amount, avoiding both shortages and wasteful over-purchasing.
Tips: Enter the area to be painted in square feet and the paint coverage (default 350 sq ft/gallon for Dulux). All values must be > 0.
Q1: What's the typical coverage for Dulux paint?
A: Most Dulux paints cover about 350-400 sq ft per gallon, but this varies by product and surface.
Q2: Should I account for multiple coats?
A: Yes, multiply the result by the number of coats needed (typically 2 for good coverage).
Q3: How do I calculate the area to paint?
A: Measure wall length × height, subtract windows/doors, and sum all surfaces.
Q4: Does this include ceilings and trim?
A: No, calculate these separately as they often require different paint types.
Q5: Should I buy extra paint?
A: Yes, consider purchasing 10% more than calculated for touch-ups and wastage.