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Outdoor structures

Deck Board Calculator

Estimate deck surface area and linear feet of decking boards with a cutting allowance.

Enter your measurements

Project inputs

Estimate

Deck length

ft

Deck width

ft

Board face width

in

Cutting allowance

%

Estimated amount0

Enter measurements to see the estimate.

Before you buy

Use this as a planning estimate.

Actual quantities vary with product coverage, cuts, surface conditions, layout, and local supplier measurements.

The calculation is for the deck surface and does not include framing.
Account for board gaps and picture-frame borders in the final layout.

Read our estimate methodology →

Keep planning

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Practical planning tools for everyday home projects.

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