Since 1 Mexican Peso is equal to 0.0402125173619 Saint Helena Pounds, we could say that n Mexican Pesos are equal to 0.0402125173619 times n Saint Helena Pounds. In other words, we could use the following formula:
Saint Helena Pounds = Mexican Pesos x 0.0402125173619
For example, let's say that we want to convert 2 Mexican Pesos to Saint Helena Pounds. Then, we just replace Mexican Pesos in the abovementioned formula with 2:
Saint Helena Pounds = 2 x 0.0402125173619
That is, 2 Mexican Pesos are equal to 0.0804250347238 Saint Helena Pounds.