Perforated panel faces.
Measure panel face dimensions and supply the count and diameter of contained, non-overlapping holes.
Read the right quantitative data
Selected coating coverage if treating the remaining solid face.
Check this ordering assumption
Open-area percentage does not predict sound absorption, ventilation or strength.
Hole locations and performance remain supplied design information.
A worked quantity method
This illustrative set of supplied inputs demonstrates Measured Perforated Panel Open Area Calculator. Replace the example measurements and product figures with your own before ordering.
| Supplied input | Metric display | US display |
|---|---|---|
| Measured panel width | 1 m | 3.28 ft |
| Measured panel height | 1 m | 3.28 ft |
| Measured hole diameter | 100 mm | 3.94 in |
| Supplied non-overlapping hole count | 10 | 10 |
| Selected panel thickness | 10 mm | 0.39 in |
| Supplied solid material density | 500 kg/m³ | 31.21 lb/ft³ |
Geometric open area: 7.85 %
- Total hole area
- 0.08 m²
- Retained solid area
- 0.92 m²
- Retained solid mass
- 4.61 kg
The supplied holes must be within the panel and non-overlapping; positions are not inferred or validated from a count.
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 panel face dimensions and supply the count and diameter of contained, non-overlapping holes.
Selected coating coverage if treating the remaining solid face.
Open-area percentage does not predict sound absorption, ventilation or strength.
Input for Measured Perforated Panel Open Area Calculator. Record the value with its unit and quantity basis.
Input for Measured Perforated Panel Open Area Calculator. Record the value with its unit and quantity basis.
Input for Measured Perforated Panel Open Area Calculator. Record the value with its unit and quantity basis.
Input for Measured Perforated Panel Open Area Calculator. Record the value with its unit and quantity basis.
Input for Measured Perforated Panel Open Area Calculator. Record the value with its unit and quantity basis.
Input for Measured Perforated Panel Open Area Calculator. Record the value with its unit and quantity basis.
Choose your next calculation
Measured Perforated Panel Open Area Calculator
Compare supplied non-overlapping circular perforations with gross panel area and retained material mass.
Specified Baffle Faces Coating Quantity Calculator
Count selected broad faces, narrow faces and ends of supplied rectangular baffles before ordering coating.
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.