When you see a round table described as 72-inches round, this measurement refers to the diameter of the table top. An important determination table customers typically need to make is how many table do they need for a specific amount of people. Part of this determination, however, is subjective. For instance, you could crowd your table with people, seated shoulder touching one another and fit many more people around a table than someone who wants people to have enough space to actually move and feel comfortable. 72-inch round folding tables are one of the more tricky tables to determine seating capacity. Here are some ways to go about it.