2×4 Cut Calculator

Plan your 2×4 lumber cuts before you start cutting. Enter the stock lengths available and the required pieces to see how they can be grouped efficiently.

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Lumber cutting calculator

Linear Cutting Calculator

Optimize 1D materials like timber, pipe, and extrusions.

Length
Qty
Length
Qty
Length
Qty
Length
Qty
2Stock Needed
3423 mmReusable Offcut
2.7%Total Waste
Stock #1
1400
1110
1110
1110
950
320WASTE
Stock #2
950
950
677
3423OFFCUT

Leftovers of 350mm or more are reusable offcuts, anything shorter is waste.

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How to use it

  1. Enter your actual lumber stock length.
  2. Add every required cut and quantity.
  3. Set your saw kerf and offcut preferences.
  4. Run the optimization and use the resulting cut pattern.

Although this page is aimed at 2×4 framing lumber, the same calculator works for other timber sizes, PVC, aluminium and metal lengths. See the linear cutting optimizer for the full workflow.