Since 1 US Dollar is equal to 30.688501 New Taiwan Dollars, we could say that n United States Dollars are equal to 30.688501 times n New Taiwan Dollars. In other words, we could use the following formula:
New Taiwan Dollars = United States Dollars x 30.688501
For example, let's say that we want to convert 2.0 United States Dollars to New Taiwan Dollars. Then, we just replace United States Dollars in the abovementioned formula with 2.0:
New Taiwan Dollars = 2.0 x 30.688501
That is, 2.0 United States Dollars are equal to 61.377002 New Taiwan Dollars.