Paint Coverage Calculator
Paint Coverage Calculator lets you paint litres divide coated area by stated coverage with an optional waste allowance. Enter your own values or load the worked example.
- Copy or download the computed result
- Adjust wall area (m²)
- See the processing method and limits
Method and calculation
Paint litres divide coated area by stated coverage with an optional waste allowance.
Inputs and settings
Paint Coverage Calculator accepts Wall area (m²) (minimum 0); Coverage (m²/L) (minimum 0.000001); Coats (minimum 1, maximum 10); Extra (%) (minimum 0, maximum 100).
Worked example
Paint Coverage Calculator example — Wall area (m²): 80; Coverage (m²/L): 10; Coats: 2; Extra (%): 10. Computed output: { "litres": 17.6 }
Output and limitations
Paint Coverage Calculator: Use finite inputs. Results use double-precision arithmetic.
Technical references: JavaScript numerical operations
Paint Coverage Calculator FAQs
Paint Coverage Calculator applies the following rule to your input: Paint litres divide coated area by stated coverage with an optional waste allowance. The worked example on this page uses the same processor as the result button.
Paint Coverage Calculator has these boundaries: Use finite inputs. Results use double-precision arithmetic. Start by checking the wall area (m²) field against the units or format shown.
Paint Coverage Calculator provides this sample: { "litres": 17.6 }. Use the sample button to reproduce it, then replace the inputs with your own values.