Since 1 Euro is equal to 2.1780205060630644 Barbadian Dollars, we could say that n Euros are equal to 2.1780205060630644 times n Barbadian Dollars. In other words, we could use the following formula:
Barbadian Dollars = Euros x 2.1780205060630644
For example, let's say that we want to convert 2.0 Euros to Barbadian Dollars. Then, we just replace Euros in the abovementioned formula with 2.0:
Barbadian Dollars = 2.0 x 2.1780205060630644
That is, 2.0 Euros are equal to 4.356041012126129 Barbadian Dollars.