Card tables are often associated with folding tables since families often own one. Traditionally used for just what the name implies, playing cards, it is often set up for a game of four-handed bridge. Card tables are usually 36-inches square by 29-inches high but square folding tables can also be found at 42 inches
Rectangular folding tables vary from a small 24-inch by 48-inch table usually used for crafts to standards of 30 inches by 60 inches, 30 inches by 72 inches and the 30-inch by 96-inch size that is found in cafeterias across the country.
Round folding tables are often used at banquets and range in size from 42 inches to 48 inches as well as 60 inches and normally top out at 72 inches in diameter.
Trapezoid-shaped tables are available in 24-inch by 24-inch by 48-inch and also 30-inch by 30-inch by 60-inch sizes.
Horseshoe-shaped folding tables are often used for trade shows and in situations where one person is demonstrating or teaching a technique. They are also used for playing cards where the dealer stands in the cutout of the table. They are available in 48-inch by 72-inch as well as 48-inch by 96-inch and 60-inch by 66-inch sizes.
Octagon folding tables are readily found measuring 48 inches and are a good use of space when other shapes will take up too much room.