Since 1 Indian Rupee is equal to 2.50867774537346 Guyanaese Dollars, we could say that n Indian Rupees are equal to 2.50867774537346 times n Guyanaese Dollars. In other words, we could use the following formula:
Guyanaese Dollars = Indian Rupees x 2.50867774537346
For example, let's say that we want to convert 2.0 Indian Rupees to Guyanaese Dollars. Then, we just replace Indian Rupees in the abovementioned formula with 2.0:
Guyanaese Dollars = 2.0 x 2.50867774537346
That is, 2.0 Indian Rupees are equal to 5.01735549074692 Guyanaese Dollars.