Since 1 East Caribbean Dollar is equal to 0.5507550276590627 Australian Dollars, we could say that n East Caribbean Dollars are equal to 0.5507550276590627 times n Australian Dollars. In other words, we could use the following formula:
Australian Dollars = East Caribbean Dollars x 0.5507550276590627
For example, let's say that we want to convert 2.0 East Caribbean Dollars to Australian Dollars. Then, we just replace East Caribbean Dollars in the abovementioned formula with 2.0:
Australian Dollars = 2.0 x 0.5507550276590627
That is, 2.0 East Caribbean Dollars are equal to 1.1015100553181254 Australian Dollars.