Code tool

Decking Estimator

Estimate decking boards, screws, and cost from width, length, board dimensions, joist spacing, screws per board, and prices. Area = width × length; board count rounds up to cover the area; screws = boards × estimated joists × screws per board; cost totals boards and screws. Cutting waste is excluded.

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No cutting waste is included.

A QUICK WALKTHROUGH

How to use this tool

  1. Enter the values below.
  2. Estimate decking boards, screws, and cost from width, length, board dimensions, joist spacing, screws per board, and prices. Area = width × length; board count rounds up to cover the area; screws = boards × estimated joists × screws per board; cost totals boards and screws. Cutting waste is excluded.
  3. Calculate and review the result.

Formula and scope

Estimate decking boards, screws, and cost from width, length, board dimensions, joist spacing, screws per board, and prices. Area = width × length; board count rounds up to cover the area; screws = boards × estimated joists × screws per board; cost totals boards and screws. Cutting waste is excluded.

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GOOD TO KNOW

Common questions

How is it calculated?

Estimate decking boards, screws, and cost from width, length, board dimensions, joist spacing, screws per board, and prices. Area = width × length; board count rounds up to cover the area; screws = boards × estimated joists × screws per board; cost totals boards and screws. Cutting waste is excluded.