About UK Paint Calculator

UK Paint Calculator is a free, easy-to-use tool built for homeowners, decorators, and DIY enthusiasts across the UK.

Whether you're painting walls, a ceiling, or both, our calculator helps you estimate exactly how many litres of paint you need — so you don't over-buy or run short mid-project.

Just enter your room dimensions, number of coats, and paint coverage, and we'll do the rest. Results are shown in litres and tins, making it simple to shop with confidence.

Built with accuracy and simplicity in mind, UK Paint Calculator is completely free to use with no sign-up required.