Since 1 Guyanaese Dollar is equal to 0.004529195956574595 Euros, we could say that n Guyanaese Dollars are equal to 0.004529195956574595 times n Euros. In other words, we could use the following formula:
Euros = Guyanaese Dollars x 0.004529195956574595
For example, let's say that we want to convert 2.0 Guyanaese Dollars to Euros. Then, we just replace Guyanaese Dollars in the abovementioned formula with 2.0:
Euros = 2.0 x 0.004529195956574595
That is, 2.0 Guyanaese Dollars are equal to 0.00905839191314919 Euros.