How to find TDEE
aminswife
Posts: 29 Member
Hi there,
I'm completely confused, I cannot seem to find my TDEE.
According to Scoobyworkshop, my TDEE is 2495, and BMR is 1609
According to http://www.1percentedge.com/ifcalc/ it varies hugely - depending on the forumula chosen.
The Mifflin StJeor is TDEE 2434 with BMR of 1570
The Harris Benedict is TDEE 2511 with BMR of 1620
The Katch McArdle is TDEE 1493 with BMR of 963
There's such a huge variance I don't know what it is??? Can someone who knows about this stuff please help?
I'm completely confused, I cannot seem to find my TDEE.
According to Scoobyworkshop, my TDEE is 2495, and BMR is 1609
According to http://www.1percentedge.com/ifcalc/ it varies hugely - depending on the forumula chosen.
The Mifflin StJeor is TDEE 2434 with BMR of 1570
The Harris Benedict is TDEE 2511 with BMR of 1620
The Katch McArdle is TDEE 1493 with BMR of 963
There's such a huge variance I don't know what it is??? Can someone who knows about this stuff please help?
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Replies
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Bump - not entirely sure if mine is right either...0
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I used scooby, it made the most sense to me personally. I eat at right around my BMR(1500), which is only 100 cals different than my TDEE -20% (1600). I figure since the calorie counts are estimates, I'm probably eating closer to my 1600 goal, but I aim for slightly less just so I don't go too far over.0
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All TDEE calculations are estimates so don't stress.
Your TDEE is about 2,400 - 2,2500 from the numbers you have given (I would recheck to see if you have put the correct data into the Katch Mcardle calculator - I suspect you haven't.)0 -
I think you did something wrong with The Katch McArdle because that one is pretty accurate. Maybe you fill in the wrong numbers. The other calculators you used are pretty much te same, so take a average of those. For example BMR around 1600 and TDEE around 2450. It's all not that accurate. The most important is to stay under your TDEE and above your BMR. So if you would eat around 1850 your fine. You will lose weight. As soon as you are under your TDEE you will lose wait, don't worry.0
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If you read this thread it explains everything comprehensively.
http://www.myfitnesspal.com/topics/show/654536-in-place-of-a-road-map-2-0-revised-7-2-120 -
If you also look @ Scoobys it shows you how much to eat at a 20% defeicit, just don't eat your exercise cal's. They are all very close except that last one is out the door, scrap that one.
Cheers:drinker:0 -
If you read this thread it explains everything comprehensively.
http://www.myfitnesspal.com/topics/show/654536-in-place-of-a-road-map-2-0-revised-7-2-12
This!0 -
The Scoobyworkshop claims to use the Harris Benedict formula
The other three all came from this website (http://www.1percentedge.com/ifcalc/) , I enter the data once and it gives all three, so I didn't enter wrong data ??
Katch McArdle is recommended if you know your body fat % which I do, so I put that in, but its the same info used to calculate the Mifflin St Jeor and Harris Benedict on that site.
I'm wondering if the Katch McArdle could be right, as I haven't lost a single pound (been doing it 2 weeks in earnest) , and it says at 1200 cals as per MFP I would only lost 0.5lb a week...therefore I would have to eat 900 cals to lose a pound.0 -
If you read this thread it explains everything comprehensively.
http://www.myfitnesspal.com/topics/show/654536-in-place-of-a-road-map-2-0-revised-7-2-12
This!
I did read it ! You need the TDEE!!!0 -
It tells you which formula is the most accurate.0
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I seriously doubt your BMR is as low as 960. As has been pointed out, the other methods are all pretty close, I'd go with those.
What's your current height and weight?0 -
It tells you which formula is the most accurate.
This is what started me down this confused path....
I used the website he recommended so here is what it told me (it calculated my bf% to be 67.3)
I've pasted it in here...it says KatchMcArdle is more accurate but then goes on to tell me to eat between 1800 cals + (as I exercise lightly/moderately 3+ times each week
Ok from the website he recommends using:
Custom BMR Calculation
Thanks for checking your BMR here on Fat 2 Fit Radio. If you're not already subscribed to Fat 2 Fit Radio, consider doing so today. Please visit the Subscribe page to get the podcast delivered automatically to your iTunes, Juice, e-mail inbox or the podcatcher of your choice for FREE.
Entered information: 30 year old female, 65 inches tall, weighing 183 pounds, BMI of 30.4 (Obese).
From the information that you entered, you'd like to weigh 125 lbs.
Harris-Benedict Formula
There are a few different methods to calculating yourbasal metabolic rate (BMR). One of the most popular, developed in the early 1900's is called the Harris-Benedict formula. Based on this formula, your current BMR is 1616 calories.
Katch-McArdle Forumla
The numbers above are fairly accurate, however they don't take into account your lean body mass. A more accurate formula that does take your lean body mass into account is the Katch-McArdle formula. Since many of us have scales that will tell us our current body fat, this formula may yield more accurate results. Based on the information you provided, body fat percentage of 67.3%, you have a lean body mass of 60 lbs., and your BMR is 959 calories.
How Many Calories Should I Eat?
Based on your goal weight, the following chart was generated. The chart shows the number of calories that you should eat on a daily basis to reach your goal weight. At Fat 2 Fit Radio we advocate eating like the thin, healthy person that you want to become. The calorie levels you see in the chart are not extreme, but they do create that all important caloric deficit that is required to get you to your goal weight in a safe manner. Once you reach your goal weight, you will continue eating the same number of calories for the rest of your life to maintain that weight. You'll never be on a diet again.
Based on how much activity you do on an average day, the calories in the right column will be the number of calories that you will be able to eat at your goal weight. If you start eating those calories right now (eating like the thinner you), you will eventually become that thinner person. As you get closer to your goal weight, your weight loss will start to slow down. It is OK to eat a few hundred calories less per day (200-300) to speed up your weight loss at this point.
Activity Level Daily Calories
Sedentary (little or no exercise, desk job) 1636
Lightly Active (light exercise/sports 1-3 days/wk) 1874
Moderately Active (moderate exercise/sports 3-5 days/wk) 2113
Very Active (hard exercise/sports 6-7 days/wk) 2351
Extremely Active (hard daily exercise/sports & physical job or 2X day training, i.e marathon, contest etc.) 25900 -
Use Harris Benedict or Scooby - they are more or less the same.
The other formula seems to be flawed.
Let's face it - they are all only approximations. You'd never get the EXCAT figure without extensive medical tests.0 -
Use Harris Benedict or Scooby - they are more or less the same.
The other formula seems to be flawed.
Let's face it - they are all only approximations. You'd never get the EXCAT figure without extensive medical tests.
I know but if I should be following KatchMcArdle then I am going to pile on the pounds using Harris Benedict, its almost 1000 calories difference each day....even if I averaged it out and split the difference, I would still put on weight using Harris Benedict.
Do you see why I'm confused? And hesitant about eating an extra 600+ calories each day than what MFP says....0 -
I used the website he recommended so here is what it told me (it calculated my bf% to be 67.3)
I sincerely doubt that is the case unless you are super morbidly obese - even then it would be astonishing.0 -
Use Harris Benedict or Scooby - they are more or less the same.
The other formula seems to be flawed.
Let's face it - they are all only approximations. You'd never get the EXCAT figure without extensive medical tests.
I know but if I should be following KatchMcArdle then I am going to pile on the pounds using Harris Benedict, its almost 1000 calories difference each day....even if I averaged it out and split the difference, I would still put on weight using Harris Benedict.
Do you see why I'm confused? And hesitant about eating an extra 600+ calories each day than what MFP says....
1: Ignore what MFP says
2: Take the advice of the Roadmap thread
3: Stop worrying about the Katch McArdle formula - seems to be universally ignored.0 -
I used the website he recommended so here is what it told me (it calculated my bf% to be 67.3)
I sincerely doubt that is the case unless you are super morbidly obese - even then it would be astonishing.
I got it tested with some machine by a bootcamp instructor 2 years ago when I was 2 stone lighter...at that point (not using a calculator but an electronic machine) it came in at 47%, exclusing organs, so I sincerely doubt its wrong.0 -
Do you see why I'm confused? And hesitant about eating an extra 600+ calories each day than what MFP says....
I get you must be confused but the process weeds out any individual variances.
What is the process?
Start at any reasonable number you like - say 1,800 for you.
Eat that number consistently and accurately for the next 4 weeks.
Reassess - if you have gained then lower calories if you have lost then stay the same or raise depending on what you want to achieve.
Rinse and repeat.
Finally don't be afraid of gaining weight in the short term (even though this may sound counter intuitive.) Be afraid of consistent weight gain in the long term. The process above will eliminate this outcome though.0 -
I think the Kate McKardle calculator on the site you used is incorrect, or you have entered the wrong values. Try the version on fat2fitradio.com, which helps you find out your body fat % first and then feeds it into several calculators. I've never met anyone with a BMR of 900 odd, that's really, really low, unless you are a fairy, pigmy or other tiny person I guess. NB no offence to tiny people intended, I'm only 5'3' myself so I gnome what it is like.....gnome, get it?
Anyway, I'd use an average of the other 2. Hope this helps:flowerforyou:0 -
I used the website he recommended so here is what it told me (it calculated my bf% to be 67.3)
I sincerely doubt that is the case unless you are super morbidly obese - even then it would be astonishing.
I got it tested with some machine by a bootcamp instructor 2 years ago when I was 2 stone lighter...at that point (not using a calculator but an electronic machine) it came in at 47%, exclusing organs, so I sincerely doubt its wrong.
Was it a BIA machine?
If so, the results are not going to be as accurate as you imagine.
If you really want to resolve the matter then invest in a DEXA scan but if your BF% really is that high then your first port of call really should be seeking medical supervision.0 -
I think the Kate McKardle calculator on the site you used is incorrect, or you have entered the wrong values. Try the version on fat2fitradio.com, which helps you find out your body fat % first and then feeds it into several calculators. I've never met anyone with a BMR of 900 odd, that's really, really low, unless you are a fairy, pigmy or other tiny person I guess. NB no offence to tiny people intended, I'm only 5'3' myself so I gnome what it is like.....gnome, get it?
Anyway, I'd use an average of the other 2. Hope this helps:flowerforyou:
I wish you were right but the approx same values came out on the fat2fit site and this one:http://www.1percentedge.com/ifcalc/
Im not entering wrong values...0 -
I think you are supposed to put your current weight in the space what you want to weigh. That is how I understood it anyways.0
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Keep it simple! People managed to lose weight before the interweb you know!!
Three are close - one appears to be an anomaly. Exclude the anomaly, pick any of the three close ones, close your eyes and use a pin will do...
Follow that accurately for a month and see how it works out. Reassess and adjust if required at the end of a month.0 -
Calculators are the worst way to calculate your TDEE.
You need to eat what you normally eat, and do what you normally do , and record your weight over a period of a week or two.
Then judge your net calorie balance from that. Adjust and repeat.
But use a trend analysing system such as the one available at 'hackers diet online' , to help you see through the statistical static of daily water fluctuation.0 -
hmmm when I go to fat to fit they say mine is 2775 when I go to the IF calc its says about 2824 ..so they are within 100 cals of each other...
maybe you are doing something wrong...? I have katch macardle selected for the IF calculator...0 -
Keep it simple! People managed to lose weight before the interweb you know!!
Three are close - one appears to be an anomaly. Exclude the anomaly, pick any of the three close ones, close your eyes and use a pin will do...
Follow that accurately for a month and see how it works out. Reassess and adjust if required at the end of a month.
It's rocket science!0 -
You are confused because the idea about eating a tiny amount to lose weight is so ingrained - it is not the case.
If you are exercising then you cannot live on 1200 calories, frankly I don't know how anyone does WITHOUT exercising.
These formulas will give you the range in which you SHOULD be eating to maintain. You factor in your exercise and/or factor in a 10-20% deficit for what you will eat to lose weight.
If your TDEE is 2490 or whatever and you plan on exercising 3x a week and pushing yourself I would only subtract 10% from that and that still gives you 1900. Doing this you would NOT eat back your calories from exercise.
Go into MFP "Goals," scroll down to the bottom "change goals," select "custom," and change the daily calories to 1900. Try to eat that with low sugar, moderate fats, and high protein and carbs.
DO NOT freak out about eating more. I was eating a max of 1300 for a long time and was not losing weight. I was tired. I was cranky. I hated working out. I've been losing steadily for 3 months since increasing calories to 1500-1700 and I am happy, have tons of energy, and feel better than ever.
Eat more, exercise, watch what you're eating. You should invest in a food scale... weigh everything. Cook all of your own food, pre-package it for lunch... etc.0 -
Keep it simple! People managed to lose weight before the interweb you know!!
Three are close - one appears to be an anomaly. Exclude the anomaly, pick any of the three close ones, close your eyes and use a pin will do...
Follow that accurately for a month and see how it works out. Reassess and adjust if required at the end of a month.
It's rocket science!
Your sarcasm is wasted on me, sorry0 -
You are confused because the idea about eating a tiny amount to lose weight is so ingrained - it is not the case.
If you are exercising then you cannot live on 1200 calories, frankly I don't know how anyone does WITHOUT exercising.
These formulas will give you the range in which you SHOULD be eating to maintain. You factor in your exercise and/or factor in a 10-20% deficit for what you will eat to lose weight.
If your TDEE is 2490 or whatever and you plan on exercising 3x a week and pushing yourself I would only subtract 10% from that and that still gives you 1900. Doing this you would NOT eat back your calories from exercise.
Go into MFP "Goals," scroll down to the bottom "change goals," select "custom," and change the daily calories to 1900. Try to eat that with low sugar, moderate fats, and high protein and carbs.
DO NOT freak out about eating more. I was eating a max of 1300 for a long time and was not losing weight. I was tired. I was cranky. I hated working out. I've been losing steadily for 3 months since increasing calories to 1500-1700 and I am happy, have tons of energy, and feel better than ever.
Eat more, exercise, watch what you're eating. You should invest in a food scale... weigh everything. Cook all of your own food, pre-package it for lunch... etc.
Thank you that was very helpful0 -
hmmm when I go to fat to fit they say mine is 2775 when I go to the IF calc its says about 2824 ..so they are within 100 cals of each other...
maybe you are doing something wrong...? I have katch macardle selected for the IF calculator...
Yeah the two are almost the same for me too, just drastically low under katchmcardle0
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