Since 1 East Caribbean Dollar is equal to 0.2971745203604004 Guernsey Pounds, we could say that n East Caribbean Dollars are equal to 0.2971745203604004 times n Guernsey Pounds. In other words, we could use the following formula:
Guernsey Pounds = East Caribbean Dollars x 0.2971745203604004
For example, let's say that we want to convert 2.0 East Caribbean Dollars to Guernsey Pounds. Then, we just replace East Caribbean Dollars in the abovementioned formula with 2.0:
Guernsey Pounds = 2.0 x 0.2971745203604004
That is, 2.0 East Caribbean Dollars are equal to 0.5943490407208007 Guernsey Pounds.