Since 1 US Dollar is equal to 6.78366 Trinidad and Tobago Dollars, we could say that n United States Dollars are equal to 6.78366 times n Trinidad and Tobago Dollars. In other words, we could use the following formula:
Trinidad and Tobago Dollars = United States Dollars x 6.78366
For example, let's say that we want to convert 2 United States Dollars to Trinidad and Tobago Dollars. Then, we just replace United States Dollars in the abovementioned formula with 2:
Trinidad and Tobago Dollars = 2 x 6.78366
That is, 2 United States Dollars are equal to 13.56732 Trinidad and Tobago Dollars.