Since 1 Indian Rupee is equal to 0.4242732029186143 Surinamese Dollars, we could say that n Indian Rupees are equal to 0.4242732029186143 times n Surinamese Dollars. In other words, we could use the following formula:
Surinamese Dollars = Indian Rupees x 0.4242732029186143
For example, let's say that we want to convert 2.0 Indian Rupees to Surinamese Dollars. Then, we just replace Indian Rupees in the abovementioned formula with 2.0:
Surinamese Dollars = 2.0 x 0.4242732029186143
That is, 2.0 Indian Rupees are equal to 0.8485464058372286 Surinamese Dollars.