For a standard 75 cm (30") table, aim for a seat height of 45–48 cm (18–19") .
Your lifestyle—especially if you have kids or pets—should dictate your material choice. Dining Chair Buying Guide: Seat Height, Width & Materials dining chair buying guide
Allow at least 60 cm (24") of table width per person so guests don't bump elbows. For a standard 75 cm (30") table, aim