Since 1 East Caribbean Dollar is equal to 0.3084065049675307 Cayman Islands Dollars, we could say that n East Caribbean Dollars are equal to 0.3084065049675307 times n Cayman Islands Dollars. In other words, we could use the following formula:
Cayman Islands Dollars = East Caribbean Dollars x 0.3084065049675307
For example, let's say that we want to convert 2.0 East Caribbean Dollars to Cayman Islands Dollars. Then, we just replace East Caribbean Dollars in the abovementioned formula with 2.0:
Cayman Islands Dollars = 2.0 x 0.3084065049675307
That is, 2.0 East Caribbean Dollars are equal to 0.6168130099350614 Cayman Islands Dollars.