Paint Quantity Calculator
Estimate paint litres from wall area, coats, coverage and a waste allowance.
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How to use this tool
- Measure the paintable area after excluding openings.
- Use the coverage on the paint tin and choose coats and allowance.
Things to know
- Surface texture and application method affect real coverage. Round up to the available tin size.
- Bounded decimal values; 1-100 coats. Fixed arithmetic produces two volume summaries.
- Use no more than 200,000 characters across the input and settings.
- Bounded decimal inputs mean at most 120 characters, zero or a magnitude from 10^-100 to 10^100. Arithmetic uses 40-digit precision; exponent suffixes are checked before parsing.
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