![]() ![]() One of the major contributors as to why wearables are unable to accurately determine your caloric expenditure is that every human is unique in terms of their metabolism. To further understand why wearables are inaccurate when it comes to calculating caloric expenditure, this is a 2017 study that was published and peer-reviewed by the Department of Medicine at Stanford University: This does not mean it will be accurate for you, but there's a greater probability of it. If calories burned is important to you, you may find that the Apple Watch may be more suitable for you as the target demographic is general population, and has shown to have the most accuracy in wearables in most individuals because of this. Personally, mine has me under about 200 kcals.Įach wearable will utilize a different set of studies in attempt to determine their demographic. Because of this, less fit individuals will likely have larger differences in daily caloric expenditure. Whoop was likely influenced to cater to more of an athletic demographic when determining which studies they would used to assist their implementation of this. You can read and learn about the equation here: īeyond BMR, Whoop utilizes another set of algorithms that they based off a study in attempt to determine your total daily caloric expenditure through "calories burned". Jeor equation that was shown to have 5% more accuracy.Īll wearables, BMR calculators, TDEE calculators, calorie counter all utilize this equation. ![]() There are other equations that are a little more accurate for sedentary individuals, but they are less widely used, such as the Mifflin St. In studies, the equation was estimated to be the most accurate and precise to about 35% of their candidates tested. The equation itself is flawed and very inaccurate for those who are elderly, obese, or suffer from metabolic conditions and eating disorders. Not sure if they used the revised version or not, but it doesn't really matter. They use widely known equation known as the Harris-Benedict equation to calculate your BMR. Whoop includes BMR to factor in your calories burned. I'm going to break this down into several parts: Note: I've read Whoop's article on their calorie tech, its been pretty helpful but just not sure how best to consider that with the diet. Meaning I'm not really hitting much of a deficit in total (usually aim for at least 500 calories minus), and I'm thinking should I treat this number more as my real 'TDEE', and then calculate my calorie deficit from it instead (and likely aim for another day of exercise)? With three rest days, my average weekly WHOOP burn is ~2300. However where I get lost and would love some advice, is that on my rest days, my WHOOP calories burnt can be 1700-2100, which is a lot lower than what the TDEE calculations would consider my 'maintenance', and which would then make my 'calorie deficit' diet on those days just a maintenance diet if not a surplus. As my workouts are about 15min light cardio then just general weight-lifting (lower HR), I feel like these numbers track the general TDEE calculated but maybe more realistic/slightly conservative. ![]() ![]() I typically work out, Monday, Tuesday, Thursday and Friday, and WHOOP tracks my typical calorie burn on those days 2400-2600. This is based on the typical TDEE calculator you can find everywhere, taking my age, height, weight and exercise level into account. My calculated TDEE is 2694 calories, making a basic fat loss goal 2161 calories. Now that I have Whoop and have some calorie burning metrics coming from it, I'm wondering how best to think through using that in joint with typical TDEE calculations. In the past I've been much better at the gym, had considerably more lean muscle mass and have had some generally success with basic calorie/macro goals for leaning/gaining. Hey everyone, I've been trying to shed some of the extra pounds I've gained during the pandemic and also generally improve my fitness with more consistent healthy diet and exercise post my own COVID experience. ![]()
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