Deck Frame Calculator

Calculate the required joists and rim joists for a deck framing. You can specify two different lumber length.

  • Deck Frame Calculator
  • Width
  • Length
  • Joist
  • Double Rim Joist - House Side: Add a second rim joist at the ledger end (attached to the house)
  • Double Rim Joist - Outer Edge: Add a second rim joist at the beam end (furthest from the house)