Since 1 Sri Lankan Rupee is equal to 0.00380612438809 Manx pounds, we could say that n Sri Lankan Rupees are equal to 0.00380612438809 times n Manx pounds. In other words, we could use the following formula:
Manx pounds = Sri Lankan Rupees x 0.00380612438809
For example, let's say that we want to convert 2 Sri Lankan Rupees to Manx pounds. Then, we just replace Sri Lankan Rupees in the abovementioned formula with 2:
Manx pounds = 2 x 0.00380612438809
That is, 2 Sri Lankan Rupees are equal to 0.00761224877618 Manx pounds.