Since 1 Indian Rupee is equal to 0.270848138727 Surinamese Dollars, we could say that n Indian Rupees are equal to 0.270848138727 times n Surinamese Dollars. In other words, we could use the following formula:
Surinamese Dollars = Indian Rupees x 0.270848138727
For example, let's say that we want to convert 2 Indian Rupees to Surinamese Dollars. Then, we just replace Indian Rupees in the abovementioned formula with 2:
Surinamese Dollars = 2 x 0.270848138727
That is, 2 Indian Rupees are equal to 0.541696277454 Surinamese Dollars.