Since 1 British Pound is equal to 1.6918825658 Singapore Dollars, we could say that n British Pounds are equal to 1.6918825658 times n Singapore Dollars. In other words, we could use the following formula:
Singapore Dollars = British Pounds x 1.6918825658
For example, let's say that we want to convert 2 British Pounds to Singapore Dollars. Then, we just replace British Pounds in the abovementioned formula with 2:
Singapore Dollars = 2 x 1.6918825658
That is, 2 British Pounds are equal to 3.3837651316 Singapore Dollars.