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