Paint Calculator
Calculate how many gallons of paint you need for a room. Enter wall dimensions, number of coats, and account for doors and windows.
- 100% free
- No signup
- Runs in your browser
Used 38.7K times today
How to Use Paint Calculator
- 1
Enter room dimensions
Input the length, width, and ceiling height of your room in feet.
- 2
Set number of coats
Choose 1 or 2 coats. Two coats are recommended for full coverage.
- 3
Subtract doors and windows
Enter the number of standard doors and windows to subtract their area from the total.
Frequently Asked Questions
How much area does one gallon cover?
Should I buy extra?
Embed This Tool
Add this tool to your website for free. Just copy and paste the code below:
<iframe src="https://utilko.com/embed/paint-calculator/" width="100%" height="500" frameborder="0" title="Paint Calculator"></iframe> About Paint Calculator
The Paint Calculator on Utilko tells you exactly how many gallons of paint to buy for any room. Enter the room dimensions and number of coats, subtract doors and windows, and get the total gallons needed — saving you extra trips to the hardware store.
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