Paint Area Calculator
Accurately calculate the paint needed for your painting project
Calculate Paint Requirements
Calculation Results
Note: This calculation excludes doors and windows. For more accurate results, subtract these areas manually from the total wall area.
Professional Paint Calculation for Your Home
Our advanced paint calculator helps you accurately determine how much paint you need for any room. Whether you’re planning an interior painting project or exterior surface coating, this tool eliminates guesswork. Proper paint estimation saves time, money, and prevents waste. With precise calculations for wall area and paint coverage, you can confidently purchase the right amount of paint. Our user-friendly calculator accounts for multiple coats and different paint coverage rates. Achieve professional results with our paint estimation tool designed for DIY enthusiasts and professional painters alike.
Frequently Asked Questions
Our paint calculator provides highly accurate estimates based on the dimensions you provide. It calculates total wall area and factors in your selected number of coats and paint coverage rate. For best results, measure your room carefully and check the coverage information on your paint can.
This calculator provides the total wall area. For a more precise estimate, subtract the area of doors and windows manually. A standard door is approximately 2 square meters, and a standard window is about 1.5 square meters.
Paint coverage varies by product and surface. Check the manufacturer’s specifications on the paint can, which typically ranges from 8-12 square meters per liter. Rougher surfaces may require more paint, while smooth surfaces may need less.
Most painting projects require at least two coats for even coverage and color richness. Dark colors over light surfaces or light colors over dark surfaces may need additional coats. Our calculator multiplies the paint amount by your selected number of coats.
Yes, this calculator works for both interior and exterior projects. For exterior surfaces, consider that rough textures and porous materials may require more paint. Always check manufacturer recommendations for exterior paint coverage.