Since 1 British Pound is equal to 286.376371067 Guyanaese Dollars, we could say that n British Pounds are equal to 286.376371067 times n Guyanaese Dollars. In other words, we could use the following formula:
Guyanaese Dollars = British Pounds x 286.376371067
For example, let's say that we want to convert 2 British Pounds to Guyanaese Dollars. Then, we just replace British Pounds in the abovementioned formula with 2:
Guyanaese Dollars = 2 x 286.376371067
That is, 2 British Pounds are equal to 572.752742134 Guyanaese Dollars.