DENSITY AND BASIS

Measured perforated panel open area — solid material density scenarios.

How does changing solid material density affect measured perforated panel open area when the other inputs stay fixed?

What this decision changes

The supplied density connects mass and volume on the stated basis. Changing it must not silently change the measured geometric space. Method basis: Open area = hole count × π × hole diameter²/4; open percentage = open area/gross area × 100; retained mass = retained area × thickness × supplied density. Does not determine sound absorption, ventilation performance, fire rating or panel strength.

The focus is supplied solid material density. All other shared inputs remain fixed for each evaluated range.

Open area = hole count × π × hole diameter²/4; open percentage = open area/gross area × 100; retained mass = retained area × thickness × supplied density.Measured Perforated Panel Open Area Calculator

Evaluate your supplied alternatives

Start with your measured plan and selected product data. The initial values and range are illustrative. Each scenario changes only supplied solid material density; the other entered values stay fixed.

Display units

Measured plan and product inputs

Measured panel width

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Measured panel height

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Measured hole diameter

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Supplied non-overlapping hole count

Selected panel thickness

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Supplied solid material density

kg/m³

Supplied comparison range for supplied solid material density

Lower supplied comparison value

kg/m³

Upper supplied comparison value

kg/m³

Nine evenly spaced values are evaluated. Whole counts are rounded to distinct integer scenarios. Values between the listed samples are not calculated.

9 evaluated scenarios

Baseline: Geometric open area — 7.853982 %. Rejected combinations remain visible below.

Quantity to plot

Each bar is one actual calculated retained solid mass. Horizontal values: supplied solid material density in kg/m³.

Supplied solid material density	Retained solid mass	Change from baseline	Purchase result	Use this scenario
300 kg/m³	2.764381 kg	-1.84292 kg	7.853982 %	Open in calculator Exact quantity breakdown Total hole area 0.07853982 m² Retained solid area 0.9214602 m² Retained solid mass 2.764381 kg The supplied holes must be within the panel and non-overlapping; positions are not inferred or validated from a count.
362.5 kg/m³	3.340293 kg	-1.267008 kg	7.853982 %	Open in calculator Exact quantity breakdown Total hole area 0.07853982 m² Retained solid area 0.9214602 m² Retained solid mass 3.340293 kg The supplied holes must be within the panel and non-overlapping; positions are not inferred or validated from a count.
425 kg/m³	3.916206 kg	-0.6910951 kg	7.853982 %	Open in calculator Exact quantity breakdown Total hole area 0.07853982 m² Retained solid area 0.9214602 m² Retained solid mass 3.916206 kg The supplied holes must be within the panel and non-overlapping; positions are not inferred or validated from a count.
487.5 kg/m³	4.492118 kg	-0.1151825 kg	7.853982 %	Open in calculator Exact quantity breakdown Total hole area 0.07853982 m² Retained solid area 0.9214602 m² Retained solid mass 4.492118 kg The supplied holes must be within the panel and non-overlapping; positions are not inferred or validated from a count.
550 kg/m³	5.068031 kg	0.4607301 kg	7.853982 %	Open in calculator Exact quantity breakdown Total hole area 0.07853982 m² Retained solid area 0.9214602 m² Retained solid mass 5.068031 kg The supplied holes must be within the panel and non-overlapping; positions are not inferred or validated from a count.
612.5 kg/m³	5.643944 kg	1.036643 kg	7.853982 %	Open in calculator Exact quantity breakdown Total hole area 0.07853982 m² Retained solid area 0.9214602 m² Retained solid mass 5.643944 kg The supplied holes must be within the panel and non-overlapping; positions are not inferred or validated from a count.
675 kg/m³	6.219856 kg	1.612555 kg	7.853982 %	Open in calculator Exact quantity breakdown Total hole area 0.07853982 m² Retained solid area 0.9214602 m² Retained solid mass 6.219856 kg The supplied holes must be within the panel and non-overlapping; positions are not inferred or validated from a count.
737.5 kg/m³	6.795769 kg	2.188468 kg	7.853982 %	Open in calculator Exact quantity breakdown Total hole area 0.07853982 m² Retained solid area 0.9214602 m² Retained solid mass 6.795769 kg The supplied holes must be within the panel and non-overlapping; positions are not inferred or validated from a count.
800 kg/m³	7.371681 kg	2.764381 kg	7.853982 %	Open in calculator Exact quantity breakdown Total hole area 0.07853982 m² Retained solid area 0.9214602 m² Retained solid mass 7.371681 kg The supplied holes must be within the panel and non-overlapping; positions are not inferred or validated from a count.

Read the evaluated results

Track mass and volume lines separately. A density-sensitive mass or mass-limited delivery can change while geometry remains fixed.

Replace every illustrative baseline measurement and selected product value with the inputs for your actual task.
Enter a comparison range on the focused input's stated unit and quantity basis.
Review rejected combinations and use the exact detail lines to distinguish measured demand from whole purchases.
Open an evaluated scenario in the full calculator to save its original inputs and quantity breakdown to a browser material project.

Keep the comparison within scope

Keep loose, placed, wet, dry and installed density bases distinct; no universal density is selected.

Does not determine sound absorption, ventilation performance, fire rating or panel strength.

Only the listed samples are evaluated. Intermediate values, alternate constraints and global cutting optimality are not inferred from the graph.

Continue with this quantity method

Measured Perforated Panel Open Area Calculator

Other independent input decisions

Prepare the actual material data

Read the measurement and purchase guides

Quantity method and illustrative scenarios checked 6 October 2026. Methods and scope.