How big is a pot?

Pot size in centimetres or litres Millimetres Inches
13cm 130mm 5 inch
14cm 140mm 5.5 inch
17cm 170mm 6.5 inch
5lt 200mm 8 inch
7lt 250mm 9inch
8lt 275mm 10inch
12lt 280mm 11 inch
30lt 400mm 16 inch
45lt 450mm 18 inch
90lt mm inch