Use this paint calculator to easily calculate the amount of paint required for your job.
How This Paint Calculator Works
This free online paint calculator estimates how much paint you need based on your room dimensions and number of coats. Simply enter the length and width of your room, along with how many coats you plan to apply, and the calculator will instantly work out the total wall area and litres of paint required. This helps you avoid overbuying paint, reduce waste, and accurately budget your decorating project.
Why use a paint calculator.
Use this free online paint calculator to instantly calculate how much paint you need for any room. Enter your room dimensions and number of coats to get an accurate estimate of wall area and litres of paint required. Ideal for DIY projects, decorators, landlords and home renovations across the UK. Reduce waste, avoid overbuying and save money with precise paint coverage calculations.
For accurate real-world coverage rates, you can also check the official Dulux paint coverage guide here.
You can also try our carpet calculator, tile calculator, plywood calculator and plank flooring calculator for other projects.
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