Since 1 Guyanaese Dollar is equal to 0.00394987432987 Cayman Islands Dollars, we could say that n Guyanaese Dollars are equal to 0.00394987432987 times n Cayman Islands Dollars. In other words, we could use the following formula:
Cayman Islands Dollars = Guyanaese Dollars x 0.00394987432987
For example, let's say that we want to convert 2 Guyanaese Dollars to Cayman Islands Dollars. Then, we just replace Guyanaese Dollars in the abovementioned formula with 2:
Cayman Islands Dollars = 2 x 0.00394987432987
That is, 2 Guyanaese Dollars are equal to 0.00789974865974 Cayman Islands Dollars.