Since 1 Euro is equal to 0.8572902944858746 Gibraltar Pounds, we could say that n Euros are equal to 0.8572902944858746 times n Gibraltar Pounds. In other words, we could use the following formula:
Gibraltar Pounds = Euros x 0.8572902944858746
For example, let's say that we want to convert 2.0 Euros to Gibraltar Pounds. Then, we just replace Euros in the abovementioned formula with 2.0:
Gibraltar Pounds = 2.0 x 0.8572902944858746
That is, 2.0 Euros are equal to 1.7145805889717491 Gibraltar Pounds.