More importantly, the Recommended Dietary Allowance (RDA) for protein is 0.8 grams of protein per kilogram of body weight or 0.36 grams of protein per pound of body weight. (lawsofbliss.com)
This is based on body weight and not lean muscle mass — 0.8 grams of dietary protein per kilogram (2.2 pounds) of body weight. (philmaffetone.com)
According to the Journal of Sports Science, it is recommended that athletes consume between 1.3 and 1.8 grams of protein per kilogram in body weight. (getrippedathome.org)