Opening reveal finish.
Measure the separately finished head, jamb and sill return widths.
Read the right quantitative data
Selected finish coverage, coat count and container size.
Check this ordering assumption
The opening face deduction does not account for the additional reveal surfaces.
Identify which returns receive this product and exclude unrelated faces.
A worked quantity method
This illustrative set of supplied inputs demonstrates Window Reveal Coating Quantity Calculator. Replace the example measurements and product figures with your own before ordering.
| Supplied input | Metric display | US display |
|---|---|---|
| Included measured surfaces | Jambs, head and sill | Jambs, head and sill |
| Specified coats | 2 | 2 |
| Chosen product coverage | 10 m²/L | 407.5 ft²/US gal |
| Selected container liquid volume | 1 L | 0.26 US gal |
| Your additional material allowance | 0 % | 0 % |
| Opening reveal 1: Opening width | 1 m | 3.28 ft |
| Opening reveal 1: Opening height | 2 m | 6.56 ft |
| Opening reveal 1: Measured reveal depth | 0.2 m | 0.66 ft |
| Opening reveal 1: Identical openings | 5 | 5 |
Reveal coating containers: 2 containers
- Measured reveal area
- 6 m²
- Liquid required with allowance
- 1.2 L
Counts two jambs and a head for each opening, with an optional sill. Wall faces, frames and glazing are excluded.
Open this example in the full calculatorYour 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.
Measure the separately finished head, jamb and sill return widths.
Selected finish coverage, coat count and container size.
The opening face deduction does not account for the additional reveal surfaces.
Input for Window Reveal Coating Quantity Calculator. Record the value with its unit and quantity basis. Available choices: Jambs and head only; Jambs, head and sill
Input for Window Reveal Coating Quantity Calculator. Record the value with its unit and quantity basis.
Input for Window Reveal Coating Quantity Calculator. Record the value with its unit and quantity basis.
Input for Window Reveal Coating Quantity Calculator. Record the value with its unit and quantity basis.
Input for Window Reveal Coating Quantity Calculator. Record the value with its unit and quantity basis.
Input for Window Reveal Coating Quantity Calculator. Record the value with its unit and quantity basis.
Input for Window Reveal Coating Quantity Calculator. Record the value with its unit and quantity basis.
Input for Window Reveal Coating Quantity Calculator. Record the value with its unit and quantity basis.
Input for Window Reveal Coating Quantity Calculator. Record the value with its unit and quantity basis.
Choose your next calculation
Window Reveal Coating Quantity Calculator
Measure the jamb, head and optionally sill returns separately from wall faces and convert them to coating containers.
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.