How much protein do you require for your training and exercise? Simply, it varies from person to person and what type of training you are doing however there are guidelines which you can follow without having to calculate your macros.
Below is a useful starting point for calculating your protein requirements based on your body weight and training type.
So if you are a 75kg Power Lifter, you should be getting in between 120-150g of protein a day.
This is a starting point for those of you who are unsure and can vary with different macro requirements for different goals.