Since 1 Guyanaese Dollar is equal to 0.006386298061316506 Brunei Dollars, we could say that n Guyanaese Dollars are equal to 0.006386298061316506 times n Brunei Dollars. In other words, we could use the following formula:
Brunei Dollars = Guyanaese Dollars x 0.006386298061316506
For example, let's say that we want to convert 2.0 Guyanaese Dollars to Brunei Dollars. Then, we just replace Guyanaese Dollars in the abovementioned formula with 2.0:
Brunei Dollars = 2.0 x 0.006386298061316506
That is, 2.0 Guyanaese Dollars are equal to 0.012772596122633012 Brunei Dollars.