Modern Dining Table Design Basics: The round table is a space saver with no sharp corners. They have curves away from the seat, making it more space around a round table for place settings because the settings slope like slices of cake to the table. Twenty-six inches. Thirty inches is better. The formula for calculating the distance around round tables are pi (3.14159) times the diameter of the circle.
The people sitting at the table should be able to get in and out of their seats with ease. Leave 32 “of the edge of the table, but thirty-six inches would be better to push the chair back from the table.