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What size conference room table fits into this office space? Our conference room calculator can help.

Conference Room Size Calculator

How do you choose the appropriate size conference table for your conference room?  Here is a conference room size calculator to help. 

A general rule of thumb is to have at least 42” between the edge of the table and the wall or other stationary piece, such as a credenza.  This allows just enough room to walk behind a person seated at the table. 

In order to determine the maximum size of conference table that will in your conference room, you will need to measure the length and width of the conference room.  Then subtract 7’ from both measurements, and what you have left is how big your conference table can be. For example, if you have a room that is 19’ long x 12’ wide, then the maximum size of table that will comfortably fit in your conference room is 12’ long x 5’ wide.  However, keep in mind that unless you are buying a custom conference table, there are a limited number of standard sizes offered by most conference table manufacturers.


19′ x 12′ Room Size – 7′ =  12′ x 5′ maximum size of conference room table 

Example 2:

21′ x 10′ Room Size – 7′ =  14′ x 3′ maximum size of conference rom table

If you have the flexibility to choose the size of your conference room, then the most important thing to consider when choosing your conference table size is how many people you need to seat around the table. Generally speaking, you should allow for at least 2’6” per chair.  However, with social distancing, you will want to consider more space. Another common rule is that the number of chairs that will fit around the table is the same as the length of the table, meaning 12 average size chairs will comfortably fit around a 12’ table (as pictured above).  If you select a large-scale office chairs for your conference table, this rule may not apply.

ADA Requirements 

**Please note-you must have at least 36” between the table edge and the wall per ADA code, but 42” is the minimum recommended, and 48” or greater is ideal.

14′ Table in a 21′ x 10′ Room

This custom glass recycled conference table is a 14′ boat shape table. It fits very well in a 21′ x 10′ room. This company does several video meetings. They wanted the company logo displayed prominently.

14 foot conference table

12′ Conference Table in 18′ x 10′ Room

In this install of a 12′ racetrack conference table, we have the minimum amount of space for chair movement of 3′ on each side. The conference chairs are Steelcase Amia. For more about this install, we walk thru the various office desks, cubicles, and office dividers chosen.

If you are interested in interior ideas for conference room, here we have link with some past installs to give you some ideas on conference room furniture   From ergonomic office chairs to conference tables, we have options.

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