Since 1 Sri Lankan Rupee is equal to 0.245673617607 Philippine Pesos, we could say that n Sri Lankan Rupees are equal to 0.245673617607 times n Philippine Pesos. In other words, we could use the following formula:
Philippine Pesos = Sri Lankan Rupees x 0.245673617607
For example, let's say that we want to convert 2 Sri Lankan Rupees to Philippine Pesos. Then, we just replace Sri Lankan Rupees in the abovementioned formula with 2:
Philippine Pesos = 2 x 0.245673617607
That is, 2 Sri Lankan Rupees are equal to 0.491347235214 Philippine Pesos.