How many people do you want to seat?
Dining table size calculator
Number of guests.
Rectangular table
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Room or patio area needed-
Seating-
24 in per guest along the long sides, plus 36 in clearance on every side.
How it works
We allow 24 inches of table edge per seated guest (the shoulder room Trex recommends) and add 36 inches of clearance on every side (Living Spaces and Trex both suggest at least 3 feet). Tables are rounded to common sizes.
Sources: Trex Outdoor Furniture, "The Ultimate Patio Table Size Guide" (Sep 2023); Living Spaces, "Dining Table Size Guide" (updated May 20, 2026).