How Much Sugarpaste / Fondant Do I Need?

4″ Round 450g 4″ Square 550g
6″ Round 500g 6″ Square 600g
8″ Round 750g 8″ Square 1kg
10″ Round 1.25kg 10″ Square 1.5kg
12″ Round 1.75kg 12″ Square 2kg
14″ Round 2.25kg 12″ Square 2.5kg
16″ Round 2.75kg 12″ Square 3kg