Allow at least 36 inches (90cm) of clearance between the table edge and walls or other furniture to allow chairs to pull out and people to walk behind them.
If you’re unsure about size, lay down magazines or masking tape on the floor to outline the table's footprint. Walk around it to see if it disrupts the natural path through the room. Shape Your Experience
Before falling in love with a design, use these math-based rules of thumb to ensure the table actually fits your life: