1. What is a Paint Calculator UK?

Definition: This calculator estimates the amount of paint needed based on the area to be painted and the paint's coverage rate.

Purpose: It helps homeowners and professionals in the UK determine how much paint is required for their projects.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( A \) — Area to be painted (square feet)
• \( C \) — Paint coverage (square feet per gallon)

Explanation: The area to be painted is divided by the paint's coverage rate to determine how many gallons are needed.

3. Importance of Paint Calculation

Details: Accurate paint estimation prevents over-purchasing, ensures consistent color batches, and helps with project budgeting.

4. Using the Calculator

Tips: Enter the area in square feet and paint coverage (default 350 sq ft/gallon). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: How do I calculate the area to paint?
A: Measure wall length × height, subtract windows/doors, and sum all surfaces. For ceilings, use length × width.

Q2: What's a typical coverage rate?
A: Most paints cover 300-400 sq ft per gallon, but check your specific product's technical data sheet.

Q3: Should I account for multiple coats?
A: Yes, multiply the result by the number of coats needed (typically 2 for good coverage).

Q4: How do I convert to litres?
A: 1 UK gallon = 4.546 litres. Multiply gallons by 4.546 for litres.

Q5: Does this include waste or overage?
A: No, consider adding 10% to the calculated volume for cutting in and touch-ups.