You can use the free fee calculator to learn how much you will receive from a PayPal payment or what is the amount you'd need to send to the recipient in order he can receive any particular net amount considering the service standard fees.
How to use it? Just enter the amount in the textbox and then click Calculate button. How much should I send or receive on PayPal? Free Fee Calculator gives you the answer regarding PayPal fees for sending and receiving money. You can learn more about how to calculate the total costs using the PayPal fees formula.