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Exterior House Paint Cost Calculator

Exterior House Paint Cost Formula:

\[ \text{Cost (\$)} = \left( \frac{A_{\text{exterior}}}{C} \times \text{Price} \right) + (A_{\text{exterior}} \times L) \]

sq ft
sq ft/gallon
$/gallon
$/sq ft

1. What is the Exterior House Paint Cost Formula?

The Exterior House Paint Cost Formula calculates the total cost for painting a house exterior, including both materials (paint) and labor costs. It helps homeowners and contractors estimate project budgets accurately.

2. How Does the Calculator Work?

The calculator uses the paint cost formula:

\[ \text{Cost (\$)} = \left( \frac{A_{\text{exterior}}}{C} \times \text{Price} \right) + (A_{\text{exterior}} \times L) \]

Where:

  • \( A_{\text{exterior}} \) — Total exterior surface area to be painted (square feet)
  • \( C \) — Coverage area per gallon of paint (square feet per gallon)
  • \( \text{Price} \) — Cost per gallon of paint (dollars)
  • \( L \) — Labor cost per square foot (dollars)

Explanation: The formula calculates paint gallons needed based on coverage, multiplies by paint price for material cost, then adds labor cost based on area.

3. Importance of Paint Cost Calculation

Details: Accurate paint cost estimation is crucial for budgeting home improvement projects, comparing contractor quotes, and ensuring financial planning for exterior maintenance.

4. Using the Calculator

Tips: Measure exterior surface area accurately, check paint can for coverage specifications, research local labor rates. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: How do I measure exterior surface area accurately?
A: Calculate wall areas (height × width), subtract windows/doors, and add trim/fascia areas. For complex shapes, break into rectangles.

Q2: What is typical paint coverage per gallon?
A: Most quality exterior paints cover 250-400 sq ft per gallon, but check manufacturer specifications as coverage varies.

Q3: Should I include primer in the calculation?
A: Yes, if priming is needed. Calculate primer separately using the same formula with primer coverage and price.

Q4: How much does exterior painting labor typically cost?
A: Labor rates vary by region but typically range from $1-3 per square foot depending on surface condition and complexity.

Q5: Does this include preparation work costs?
A: No, this calculates only paint and application labor. Add separate costs for scraping, sanding, caulking, and repairs.

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