Since 1 Hong Kong Dollar is equal to 0.344343850757 East Caribbean Dollars, we could say that n Hong Kong Dollars are equal to 0.344343850757 times n East Caribbean Dollars. In other words, we could use the following formula:
East Caribbean Dollars = Hong Kong Dollars x 0.344343850757
For example, let's say that we want to convert 2 Hong Kong Dollars to East Caribbean Dollars. Then, we just replace Hong Kong Dollars in the abovementioned formula with 2:
East Caribbean Dollars = 2 x 0.344343850757
That is, 2 Hong Kong Dollars are equal to 0.688687701514 East Caribbean Dollars.