Since 1 Euro is equal to 8.66556474006 Solomon Islands Dollars, we could say that n Euros are equal to 8.66556474006 times n Solomon Islands Dollars. In other words, we could use the following formula:
Solomon Islands Dollars = Euros x 8.66556474006
For example, let's say that we want to convert 2 Euros to Solomon Islands Dollars. Then, we just replace Euros in the abovementioned formula with 2:
Solomon Islands Dollars = 2 x 8.66556474006
That is, 2 Euros are equal to 17.3311294801 Solomon Islands Dollars.