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Cost Of Painting A House Exterior Calculator

Painting Cost Formula:

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

square feet
square feet per gallon
dollars per gallon
dollars per square foot

1. What is the House Painting Cost Calculator?

The House Painting Cost Calculator estimates the total expense for painting a house exterior by calculating both material costs (paint) and labor costs based on surface area, paint coverage, and pricing.

2. How Does the Calculator Work?

The calculator uses the painting cost formula:

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

Where:

  • \( A \) — Surface area to be painted (square feet)
  • \( C \) — Paint coverage per gallon (square feet per gallon)
  • \( Price \) — Cost of paint per gallon (dollars)
  • \( L \) — Labor cost per square foot (dollars)

Explanation: The formula calculates material cost by determining how many gallons are needed and multiplying by paint price, then adds labor cost based on surface area.

3. Importance of Painting Cost Estimation

Details: Accurate cost estimation helps homeowners and contractors budget properly, compare quotes, and plan painting projects effectively while avoiding unexpected expenses.

4. Using the Calculator

Tips: Measure total surface area accurately, check paint can for coverage specifications, research current paint prices, and get multiple labor quotes for accurate estimation.

5. Frequently Asked Questions (FAQ)

Q1: How do I calculate surface area for painting?
A: Measure length and height of each wall, calculate area (length × height), then subtract areas of windows and doors. Add all wall areas together.

Q2: What is typical paint coverage per gallon?
A: Most quality paints cover 250-400 square feet per gallon. Check the specific product label as coverage varies by paint type and surface texture.

Q3: What factors affect labor costs?
A: Surface condition, number of coats needed, height/accessibility, regional labor rates, and time of year can all impact labor pricing.

Q4: Should I include primer in the calculation?
A: Yes, if surface requires priming. Calculate primer separately using the same formula but with primer coverage and price.

Q5: How much extra paint should I buy for waste?
A: Add 10-15% extra to account for spillage, touch-ups, and uneven surfaces. Always round up to whole gallons when purchasing.

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