Practical calculator

Cladding board calculator

Estimate cladding boards for walls or doors, including horizontal or vertical installation, cuts and waste.

Enter measurements

Measure in metres
Measure in metres
Length of one purchased board
Use installed coverage width
Enter 1 for a single side
Waste and defects
Calculations run on your device. Measurements are not sent to our server.

Your result

Enter dimensions to see the result here.

How it works

The number of rows follows the effective installed board width. Required sections are packed into stock boards with an allowance for saw cuts, then a reserve is added.

Before buying

Check the actual coverage width, joints, support positions and practical cutting plan.

How accurate is the result?

This calculator provides an estimate based on your inputs. Check actual measurements, product specifications and installation instructions before buying. Consult qualified professionals for structural safety.