BMR and TDEE Explained for Those Needing a Guide

I was confused as well on getting the numbers correct but you explained it in a simple manner. Thank you!

Try Scooby's Workshop - it gives 4 BMRs! http://scoobysworkshop.com/accurate-calorie-calculator/

I suppose they are all just estimates.

But some are more accurate.

Which ones, though? That's the trouble! I've been using Katch-McArdle, but that's based on the body fat % from my scales, which may or may not be accurate. It gives a lower figure, which means that I'm eating less than I would be if I was using the MFP settings*. I get the impression from the way people talk about TDEE - 20% that they are eating more than they would be on MFP, so it makes me wonder if I should be using that body fat measurement. However, it does make sense to me that I would need less calories if I have higher body fat.

*(Scooby's workshop Katch-McArdle gives me a goal of 1417 if lightly active [or 1236 with a desk job]. MFP gives me 1440 plus exercise calories for 1/2 pound loss a week. So I could eat quite a bit more on MFP. But it's probably not so personalised and accurate as not accounting for my highish body fat %?).

Thanks for the explanation of why Fat2fitradio doesn't use Katch-McArdle - obvious when you point it out!

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I cannot understand why weight loss has become so complicated lately. Do we really need online calculators and formulas to figure out how many calories to eat?? For generations, we have been able to survive and maintain or lose weight without the help of the internet to tell us how many calories to eat.

Online calculators vary drastically because they are ALL estimates of other people's BMR/TDEEs. Finding a higher number on a website is not going to make your body start burning more calories so you can eat more. We should all have a fairly good idea of how many calories we eat to maintain our weight. If we want to lose 1 pound a week, then subtract 500 calories from that number and see how that works. If you are losing too quickly, or are getting too hungry and tired, then eat a little more. If you are not losing any weight, then eat a little less.

It really should not be this complicated.

Thanks!

THANK YOU!!!! for the time you have taken to write this post, you will help so many ....

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Nice explanation. Bump.

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Bump, thank you!

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love this, so helpful and clear to understand. Great thanks.

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Thanks. Bump for later!