Since 1 Sri Lankan Rupee is equal to 0.502533204606 Serbian Dinars, we could say that n Sri Lankan Rupees are equal to 0.502533204606 times n Serbian Dinars. In other words, we could use the following formula:
Serbian Dinars = Sri Lankan Rupees x 0.502533204606
For example, let's say that we want to convert 2 Sri Lankan Rupees to Serbian Dinars. Then, we just replace Sri Lankan Rupees in the abovementioned formula with 2:
Serbian Dinars = 2 x 0.502533204606
That is, 2 Sri Lankan Rupees are equal to 1.00506640921 Serbian Dinars.