Paint Calculator
Calculate the litres or gallons of paint for walls and ceiling, minus doors and windows, for any number of coats.
100% free No signup Private & offline-ready Works in your browser
About the Paint Calculator
Avoid buying too much or too little paint. Enter the room size, number of doors and windows, coats and the coverage of your paint, and get the litres needed plus the number of gallon tins.
Frequently asked questions
Is the Paint Calculator free?
Yes. The Paint Calculator on Apex Tool Station is 100% free with no signup and no watermark. Browser tools have no usage limits.
Are my files or data uploaded to a server?
No. Everything runs locally in your browser using JavaScript. Your files and text never leave your device, which makes it safe for private documents.
Does it work on mobile?
Yes. The tool works on any modern browser on Android, iPhone, Windows, Mac and Linux.