Screen Open-Area Calculator

Open area % from any two of mesh / opening / wire, plus total surface and open area for a circular or rectangular screen.

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Mesh, opening & open area

Enter any two of mesh, opening and wire diameter, or mesh alone for a standard-chart estimate.

Enter values above.

Total area (optional)

Enter frame size for total surface & open area.
Reference & estimation tool. Results are approximate and must be confirmed by a GQI specialist before design, selection or purchase. Brand & standard names are for reference only. © 2026 Grand Quest Industries LLC.

About this tool

Calculates percent open area from any two of mesh, opening and wire diameter, plus total and open area for round or rectangular decks, assuming a plain square weave. Open area is a geometric figure: effective throughput also depends on blinding, near-size particles, motion and material condition, so treat it as a comparison metric rather than a capacity prediction.

Estimates & reference only: provided without warranty; results must be confirmed by a GQI specialist. See Terms of Use and our Privacy Policy.
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