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Paint Calculation Formula:
The Sherwin Williams Pro Account Paint Calculator helps professional painters and contractors accurately estimate the amount of paint needed for any project. It uses the standard paint calculation formula to determine gallons required based on area, coverage rate, and number of coats.
The calculator uses the paint calculation formula:
Where:
Explanation: The formula calculates the total paint needed by dividing the area by the coverage rate per gallon, then multiplying by the number of coats required for proper coverage.
Details: Accurate paint estimation is crucial for professional painting projects to avoid waste, ensure project completion, maintain budget control, and provide accurate quotes to clients.
Tips: Enter the total area in square feet, the paint's coverage rate (typically 250-400 sq ft/gallon), and the number of coats needed. Always add 10-15% extra for waste, touch-ups, and complex surfaces.
Q1: What is a typical coverage rate for Sherwin Williams paint?
A: Most Sherwin Williams paints cover 250-400 square feet per gallon, depending on the product line and surface porosity.
Q2: How do I calculate the area to be painted?
A: Measure length × height for walls, length × width for floors/ceilings. Subtract windows and doors (approx 20 sq ft each).
Q3: Why do I need multiple coats?
A: Multiple coats ensure even coverage, hide previous colors, and provide better durability. Most projects require 2 coats.
Q4: Should I buy extra paint?
A: Yes, always purchase 10-15% extra for touch-ups, mistakes, and future repairs. Keep leftover paint for color matching.
Q5: Does surface type affect coverage?
A: Yes, porous surfaces like drywall absorb more paint than smooth surfaces. Dark colors may require more coats over light colors.