A 72” - 84” long rectangular table can seat up to 10 adults, depending on table width. A 96” - 108” long rectangular table can seat up to 12 adults, depending on table width. A 120” long rectangular table can seat up to 14 adults, depending on table width.
So if you're looking for a large rectangular table to seat 20, you can start by putting 2 folks on the ends of the table, then count 2 people each 2′ to seat the remaining 18 — or a total table length of 18′ (216″).
If you expect 100 guests to attend, you will need 13 round or square tables that seat 8 people. Or, 17 rectangular tables that seat 6 people. If you expect 150 guests, you will need 19 round or square tables that seat 8 people. Or, 25 rectangular tables that seat 6 people.
Generally, tables that can accommodate 14 people are around 120 inches long. This length allows six people to comfortably sit on each side and two people to occupy the ends.
A 96” - 108” long rectangular table can seat up to 12 adults, depending on table width. A 120” long rectangular table can seat up to 14 adults, depending on table width.
If you use a 60″ table in the middle, you can add four serpentines, each with a 5-foot inner radius, to create a table for at least 16 people. Don't need that many seats? A 48″ round folding table paired with four 8-foot serpentines (4-foot inner radius) creates seating for 14.
For square or rectangular tables, the rule of thumb is that you need 2 ft of space for each person, so a 10ft long table can seat 5 people on each side (10 ft divided by 2 ft = 5), plus two people on the ends for a total of 12 people. A 60″ long table (5 ft.) can seat 6 people, 2 on each side, plus 2 on the ends.
The average banquet table is 30” wide, about 30” tall, and 96” long. The average circular banquet table is about 30” tall and 72” in diameter. Other popular rectangular sized tables are 60” and 72” long. Most tables are 30” tall and 30” wide, but we are starting to see wider tables become more popular.
Most rectangular tables are between 36" and 40" wide. A table that seats four should be about 48" long. To seat four to six people, look for a table that is at least 60" long. For six to eight guests, your table should be at least 78" long.
Length: Approximately 96 inches to 120 inches (8 to 10 feet) Width: 36 inches to 48 inches. This size can comfortably seat 10-12 people.
A 90″ rectangular dining table can seat up to 8 people comfortably. A 108″ rectangular dining table can seat up to 10 people comfortably.
For Square or Rectangular Tables without Extensions
Divide the Table Top size by 24". That number is how many people can sit at one side of the table with the extensions. Multiply that number by 2 and then add 2 more for seating at the ends. Ex: 72 / 24 = 3 x 2 +2 = 8.
What size table for 20 people? To seat 20 people, you would typically need two 8-foot rectangular tables, each accommodating 8-10 guests. For round tables, you would need three 72-inch round tables, each able to seat 8-10 people comfortably.
Call them what you want- farm tables, vineyard tables, king's tables, royal tables, banquet tables, classroom tables, console tables but they are all some type of long, rectangle table used at a wedding reception.
Rectangle dining room table roughly 6 feet or a little more can seat 6-8 adults. The recommended width for having enough room to place your settings on both sides is 36-inches to 42-inches.
Standard sizes include:
6 feet (72 inches): Typically seating 6-8 people, perfect for smaller, intimate gatherings or as part of a larger arrangement. 8 feet (92 inches): Accommodating 8-10 people, offering more space for settings and centerpieces, suitable for more spacious venues.
Leave 52” between rectangle tables. That allows for 2×18” for chairs and 16” between the chairs. Round tables with chairs and service aisle. Leave 60” between round tables.
If it is a 30 inch by 72 inch rectangular table, 6-8 seats will fit around the table, with 3 chairs on either side and 1 chair at either end.
Best Layouts for the Room
Here are some common layouts you can use with each shape of table. For rectangular tables: A rectangular shape lends itself to rows. If your room is longer than it is wide, set the tables up in horizontal rows to maximize that extra length.
The traditional plan is for the host and hostess to sit at either end of the table, with the most important female guest on the host's right and the most important man on the hostess's right. Some hosts prefer to sit opposite each other in the middle.