This tool will help you easily calculate the estimated cost to paint your space.
How to Use the Painting Estimate Calculator
To use this painting estimate calculator, follow these steps:
- Enter the length of the room in feet.
- Enter the width of the room in feet.
- Enter the height of the room in feet.
- Enter the number of doors in the room.
- Enter the number of windows in the room.
- Enter the number of coats of paint you plan to apply.
- Enter the coverage per gallon in square feet (this is usually mentioned on the paint can).
- Click on the Calculate button to get the estimated amount of paint needed.
How It Calculates the Results
The calculator will compute the total square footage to be painted by calculating the surface area of the walls and subtracting the areas of doors and windows.
- Wall area is calculated as:
(2 * (length + width) * height) - Area for doors is:
number_of_doors * 21(each door is estimated as 21 square feet) - Area for windows is:
number_of_windows * 12(each window is estimated as 12 square feet) - Total paintable area = Total wall area – Area for doors – Area for windows
- Total gallons of paint needed = (Total paintable area / coverage) * number of coats
Limitations
This calculator provides an estimate and may not account for all real-world variables such as texture, paint absorption, or specific room configurations. It should not be used as the sole method for calculating paint requirements for complex projects.
Use Cases for This Calculator
Calculating Total Cost
Input the dimensions of the area to be painted and select paint type. The calculator will instantly provide you with the estimated total cost, including labor and materials. No more guesswork with an accurate total cost at your fingertips.
Comparing Paint Types
Choose different paint types to compare prices and coverage to make an informed decision. The calculator helps you understand the cost differences between various paint options to find the best value for your project.
Adjusting Labor Costs
Edit labor costs based on local rates to get a precise estimate for your specific location. Whether you’re in a high-cost city or a rural area, you can tailor labor costs to get a more tailored painting estimate.
Adding Additional Services
Include additional services like priming or repairing walls by simply selecting them in the calculator. See how these extras impact the total cost without the need for manual calculations.
Specifying Wall Height
Input the wall height along with the length to calculate the total area to be painted accurately. The calculator accounts for wall height to provide a more detailed estimate based on the surface area to be covered.
Customizing Room Shapes
Select room shapes, such as L-shaped or irregular layouts, for a more precise estimate. The calculator adapts to various room configurations to ensure an accurate cost projection regardless of the room shape.
Estimating Paint Quantity
Based on the surface area and paint type, the calculator determines the quantity of paint needed. Say goodbye to over or underestimating paint amounts with this accurate calculation tool.
Factoring in Trim & Doors
Add trim and door measurements to the calculation to include them in the total cost estimation. Easily adjust the quantities and dimensions to get a comprehensive painting estimate covering all surfaces.
Comparing Different Scenarios
Compare various painting scenarios by adjusting different parameters like room size, paint types, and additional services. Instantly see how changing these factors impacts the overall cost, allowing you to make informed decisions.
Saving & Printing Estimates
Save or print the detailed estimate for future reference or sharing with contractors. Keep a record of the painting estimate to easily refer back to the costs and specifications without the need for recalculating.