Specified Coffered Ceiling Finish calculator.
Separate visible flat ceiling area and recessed vertical returns for a supplied decorative coffer grid.
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.
Separate visible flat ceiling area and recessed vertical returns for a supplied decorative coffer grid. Decorative surface takeoff only; no ceiling framing or regulated assembly specification.
A worked example
Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.
- Overall ceiling length
- 4 m
- Overall ceiling width
- 3 m
- Specified openings along length
- 2
- Specified openings across width
- 2
- Each clear opening length
- 1 m
- Each clear opening width
- 1 m
- Recessed return depth
- 0.1 m
Visible ceiling and return surface: 13.6 m²
Flat visible ceiling plus full four-sided returns per opening, without overlap. Does not choose framing, supports, lights or fire-rated assembly details.
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.
Decorative surface takeoff only; no ceiling framing or regulated assembly specification.
Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-04. Calculation and review policy.