How are we supposed to calculate individual's Skeletal Muscle Ratio in percentage(SMR %) if we have results of an individual that includes: age gender weight height BMI and BMR?

I have researched a lot but I am not able to find the formula for calculating SMR percentage according to the variables I gave above. Can someone provide me with a source for the formula?

  • I don't think you can calculate skeletal muscle ratio from the variables you've mentioned. BMI can increase due to fat or muscle gain. What exactly do you want to achieve?
    – Jan
    Jun 22, 2019 at 11:22
  • @Jan I just need to know the formula for my project by which I can calculate the SMR%. If not these variables what is the formula to calculate SMR% without using the above Variables. Jun 22, 2019 at 11:48
  • First, you need to know the percent of body fat. This can be estimated from the thickness of the skin folds, etc. Anyway, I think you'll more likely find an answer on fitness.stackexchange.com .
    – Jan
    Jun 22, 2019 at 11:52
  • @Jan I tried searching on https://fitness.stackexchange.com but I was unable to find any appropriate results for the same. Well Lets Suppose I find out Body Fat (Kg) after that How am I suppose to find the result for SMR in %. Jun 22, 2019 at 12:56
  • No, I mean you can ask this question there and they will likely know.
    – Jan
    Jun 22, 2019 at 13:18


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