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MEASURE ONCE. PLAN YOUR PURCHASE.

Ceiling Panel and Perimeter Grid calculator.

Count rectangular ceiling panels and perimeter border cuts for an explicitly selected grid.

WALLS

Your inputs

Use measurements from your plan and properties from your chosen product. Any prefilled values are illustrative.

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.

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.

YOUR ESTIMATE
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A clear estimate starts here.

Enter your dimensions and product details to see the quantity and purchase breakdown.

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Formula and assumptions
BEHIND THE NUMBERS

How this calculation works.

Counts panels only and shows grid remainders. It does not design suspension, loads, fire performance or hanger spacing.

Panel positions = ceil(length/module X) × ceil(width/module Y)Calculated with normalised units

A worked example

Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.

Ceiling length
5 m
Ceiling width
3 m
Grid module length
1.2 m
Grid module width
0.6 m

Panel positions: 25 panels

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.

Counts panels only and shows grid remainders. It does not design suspension, loads, fire performance or hanger spacing.

Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-04. Calculation and review policy.

Check your purchase assumptions

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