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Deck Joist Spacing Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

Formel

Max Span = f(Joist Size, Species, Load) from span table

Trinn-for-trinn guide

  1. 1Look up joist span table for species and size, check against deck span
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Løste eksempler

Inndata
2×8 Doug Fir joists, 40 psf load
Resultat
Max span at 16 OC = 13 ft-1 inch

Vanlige feil å unngå

  • Not applying code-required safety factors or derating
  • Forgetting to account for waste and cut losses in material estimates

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Innstillinger

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