Shape
Rectangular
Round
Length (cm)
Width (cm)
Chairs at the ends
Table edge per person:
65 cm
–
Round, 120 cm
Rectangle, 160 × 80
Rectangle, 200 × 90
Chairs are drawn about 45 cm wide. The dashed line is the floor you need if you leave roughly 90 cm around the table so chairs can be pulled out and people can walk behind them. These are rules of thumb; sources differ by a few centimetres.