INTERACTIVE TOOL
Paint calculator
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How to use this tool
- Enter total wall area.
- Subtract doors and windows.
- Set coats, product coverage and waste allowance.
Automatic answerThe result updates while you change the fields.
Worked example
Forty net square metres, two coats and ten square metres per litre require eight litres before waste.
Assumptions and limits
Use product-specific coverage for the surface; absorption and technique affect consumption.
Frequently asked questions
What coverage rate should I use?+
Use the value shown in the paint technical data sheet.
What happens to my inputs?+
Calculation inputs are processed locally in your browser. Favorites and preferences may be saved on this device. The site may perform separate network requests for live panels; these do not include the values entered into this local calculator. Do not paste secrets into public tools.
How should I check the result?+
Use product-specific coverage for the surface; absorption and technique affect consumption.