Orchard Icings

Measuring
The table below shows the quantities of icing that are required for different sized cakes. The quantities on the right are for each layer of icing that will be used. 
15cm (6") 500g
17.5cm (7") 750g
20cm (8") 1000g
22.5cm (9") 1250g
25cm (10") 1500g
27.5cm (11") 1750g
30cm (12") 2000g
Each retail pack of Orchard Icing contains 500g.
The above amounts are for a square cake, and may vary according to different shapes.