Concentric Elliptical Frame Coating Quantity calculator.
Keep the visible face of a supplied elliptical frame separate from its central opening before ordering coating.
Your inputs
Use measurements from your plan and properties from your chosen product. Any prefilled values are illustrative.
A clear estimate starts here.
Enter your dimensions and product details to see the quantity and purchase breakdown.
Formula and assumptions
How this calculation works.
Face area = π(outer width × outer height − inner width × inner height)/4 × count. Does not select coating suitability, frame structure or finish coats.
A worked example
Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.
- Supplied coat count
- 1
- Chosen product coverage
- 1 m²/L
- Selected container volume
- 1 L
- Outer full ellipse width
- 2 m
- Outer full ellipse height
- 1 m
- Inner opening full width
- 1.6 m
- Inner opening full height
- 0.6 m
- Identical frames
- 1
Selected coating containers: 1 containers
Concentric aligned ellipse face only; exposed edges and back faces are excluded. Coating suitability and coat count are not selected.
Before you purchase
Use dimensions from your plan and properties from your chosen product. Any design spacing, section or fixing pattern must already be specified.
Does not select coating suitability, frame structure or finish coats.
All dimensions, properties and application patterns are user-supplied. No building-code default is inserted.
Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-06. Calculation and review policy.
Check your purchase assumptions
Connected work guides and comparisons
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