Deck Beam Span Calculator
Use this calculator to size your deck's main beam based on the species, ply count, and the joist length it supports. Based on AWC DCA-6 residential deck guidance.
Recommended products for this project
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Fasteners RSS 5/16 x 4 Inch, Structural Screws, 100 PCS, Rust Resistant Climatek Coating, Heavy-Duty Framing & Decking Screws, Fast Bite Tip, Star Drive Recess, T-30 Bit Included, Gold
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LUS ZMAX Galvanized Face-Mount Joist Hanger for 2x10 (Pack of 50)
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Newport Fasteners 5/16-18 x 2-1/2" Trailer Deck & Floor Screws – Type F Floorboard Thread Cutting Screws, Flat Head, Star Drive T-40, Black Phosphate, Wood to Metal – 100 Pack
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Fasteners R4™ #10 x 3-1/8 Inch, Multi-Purpose Framing Screws, 630 PCS, Rust Resistant Climatek™ Coating, Outdoor Fencing and Deck Screws, Fast Bite Tip, Star Drive Recess, T-25 Bit Included, Gold
View on AmazonGet the Smart Decking Calculator app
iOS and Android apps coming soon — join the waitlist below.
