We estimate that 30% of people have leftover paint because they bought too much. One easy way you can help reduce the amount of leftover paint, is to prevent over-purchase by buying the right amount. Although calculating this is not an exact science, many paint companies provide their own guidance for how much paint is required. If you know which paint you’re using, click on the links below to access individual paint company calculators/guidance.
Farrow & Ball (Links to information chart. Online calculator is found on each paint product page)
Smart phone apps:
Do you have a paint calculator you’d like to add to this list? Contact email@example.com.