How do i find out what my protein intake should be to gain muscle?

Question

how do i know how much protein i should intake if working out. im 9 stone if thats of any relevance..

Answer 1

Diet rules-              

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Answer 2

You are supposed to have as many grams of protein as you weigh in pounds to gain muscle mass. good luck! have a great day!

Answer 3

2 grams of protein per kg of bodyweight.