Deck Board Spacing Calculator

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Measure the clear field across the boards. Use full boards to solve one even gap, or equal edge rips when the product gap must stay fixed.

Boards across
25
Gap between boards 0.271 in (≈ 1/4 in)
Edge-board width Full-width edge boards
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Board-start marks

Board-start marks

Showing first 12 of 25 marks.

  1. #10.000 in (≈ 0 in)
  2. #25.771 in (≈ 5 3/4 in)
  3. #311.542 in (≈ 11 9/16 in)
  4. #417.313 in (≈ 17 5/16 in)
  5. #523.083 in (≈ 23 1/16 in)
  6. #628.854 in (≈ 28 7/8 in)
  7. #734.625 in (≈ 34 5/8 in)
  8. #840.396 in (≈ 40 3/8 in)
  9. #946.167 in (≈ 46 3/16 in)
  10. #1051.938 in (≈ 51 15/16 in)
  11. #1157.708 in (≈ 57 11/16 in)
  12. #1263.479 in (≈ 63 1/2 in)
  13. #1369.250 in (≈ 69 1/4 in)
  14. #1475.021 in (≈ 75 in)
  15. #1580.792 in (≈ 80 13/16 in)
  16. #1686.562 in (≈ 86 9/16 in)
  17. #1792.333 in (≈ 92 5/16 in)
  18. #1898.104 in (≈ 98 1/8 in)
  19. #19103.875 in (≈ 103 7/8 in)
  20. #20109.646 in (≈ 109 5/8 in)
  21. #21115.417 in (≈ 115 7/16 in)
  22. #22121.187 in (≈ 121 3/16 in)
  23. #23126.958 in (≈ 126 15/16 in)
  24. #24132.729 in (≈ 132 3/4 in)
  25. #25138.500 in (≈ 138 1/2 in)
Layout check Full-board mode changes the entered target gap. Verify the solved gap is permitted for the exact decking and fastener system, or use Equal edge rips to preserve the target.

More details

Entered target gap 0.188 in (≈ 3/16 in)