Since 1 Brunei Dollar is equal to 0.721666819419 United States Dollars, we could say that n Brunei Dollars are equal to 0.721666819419 times n United States Dollars. In other words, we could use the following formula:
United States Dollars = Brunei Dollars x 0.721666819419
For example, let's say that we want to convert 2 Brunei Dollars to United States Dollars. Then, we just replace Brunei Dollars in the abovementioned formula with 2:
United States Dollars = 2 x 0.721666819419
That is, 2 Brunei Dollars are equal to 1.44333363884 United States Dollars.