Since 1 Saint Helena Pound is equal to 1.21049987592 United States Dollars, we could say that n Saint Helena Pounds are equal to 1.21049987592 times n United States Dollars. In other words, we could use the following formula:
United States Dollars = Saint Helena Pounds x 1.21049987592
For example, let's say that we want to convert 2 Saint Helena Pounds to United States Dollars. Then, we just replace Saint Helena Pounds in the abovementioned formula with 2:
United States Dollars = 2 x 1.21049987592
That is, 2 Saint Helena Pounds are equal to 2.42099975184 United States Dollars.