Exterior face paint.
Separate rectangular faces, measured gables and reveals so their areas are not repeated.
Read the right quantitative data
Selected coverage, number of supplied coats and container size.
Check this ordering assumption
A reveal is extra surface, while its opening is a deduction from the flat face.
Confirm which faces and returns belong in the finish schedule.
A worked quantity method
This illustrative set of supplied inputs demonstrates Exterior Paint Calculator. Replace the example measurements and product figures with your own before ordering.
| Supplied input | Metric display | US display |
|---|---|---|
| Chosen product coverage | 10 m²/L | 407.5 ft²/US gal |
| Your number of coats | 2 | 2 |
| Container volume | 5 L | 1.32 US gal |
| Waste allowance | 10 % | 10 % |
| Facade 1: Facade width | 6 m | 19.69 ft |
| Facade 1: Rectangular height | 3 m | 9.84 ft |
| Facade 1: Triangular gable height | 2 m | 6.56 ft |
| Facade 1: Excluded opening area | 4 m² | 43.06 ft² |
Paint containers to purchase: 1 containers
- Net facade area
- 20 m²
- Paint required
- 4.4 L
Your measurement and product-data sheet
Record what you know and mark verified items ready. Notes save on this browser after you edit them. Download a copy before clearing browser data.
Separate rectangular faces, measured gables and reveals so their areas are not repeated.
Selected coverage, number of supplied coats and container size.
A reveal is extra surface, while its opening is a deduction from the flat face.
Input for Exterior Paint Calculator. Record the value with its unit and quantity basis.
Input for Exterior Paint Calculator. Record the value with its unit and quantity basis.
Input for Exterior Paint Calculator. Record the value with its unit and quantity basis.
Input for Exterior Paint Calculator. Record the value with its unit and quantity basis.
Input for Exterior Paint Calculator. Record the value with its unit and quantity basis.
Input for Exterior Paint Calculator. Record the value with its unit and quantity basis.
Input for Exterior Paint Calculator. Record the value with its unit and quantity basis.
Input for Exterior Paint Calculator. Record the value with its unit and quantity basis.
Choose your next calculation
Exterior Paint Calculator
Combine rectangular facades and triangular gables, then calculate paint containers.
Specified Gable Wall Surface Calculator
Measure a rectangular wall face plus its supplied triangular gable, with openings deducted once.
Opening Reveal Finish Area Calculator
Count the exposed jamb, head and sill surfaces separately from the flat wall face around openings.
Turn the estimate into an order
- Confirm that all quantities use the same measured basis and the selected product's current data.
- Keep different products, finishes and handed variants in separate purchase lines.
- Review exact demand and whole-pack purchase quantities before entering your quoted prices.
- Record compatible stock already on hand, then save the remaining order in your browser project.
Measurement and purchase guides
Other materials in this family
Reviewed 6 October 2026. Geometry and purchase arithmetic use your measurements and selected specifications. Calculation scope.