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Member Comments for the Article:
Learn your BMR in three easy steps
5/13/2013 10:56:17 PM
Does anyone ever answer the questions asked here? My BMR 1526.51 x1.2 1831.81 I workout aprox 600 calories a day 5 to 6days a week i have a differential of 500 to 1300 every day and still never lose weight. What is up with that?
8/22/2012 6:27:13 PM
Does spark calculate your bmr or just set it at the average for most people? I'm talking abt when you look at the calorie differential reports. Thanks!
Beware-this calculation isn't any more accurate than a typical BMI chart because it doesn't take in account your body composition (how much muscle, fat, and water your body contains). I had my body composition calculated by a registered dietician and because my body fat is low for my weight (I'm an ex-athlete), I need to eat more calories than are typically allotted for my weight and height.
If you feel like you are "starving" on your recommended amount of calories, I recommend getting your body composition tested. It doesn't cost that much.
I gather that some people might not realize from the possibly confusing text that the result represents ONLY a completely baseline BMR. In other words, this BMR is for someone who is *lying down in bed all day and does absolutely nothing*. It is the minimum BMR needed to maintain a current weight with an activity level of almost zero.
For a "sedentary lifestyle" that involves actually getting out of a bed and walking around, even if one doesn't exercise and mostly sits or stands (e.g.: desk job, watching TV from a couch, driving a car, whatever), the resulting BMR number above should be multiplied by 1.2.
It might be useful to have the "sedentary lifestyle calculation" (x 1.2) added to the above calculation matrix, because I expect that many if not most of the people reading this page might not normally be lying around in bed 24/7.
I would personally also add 4 words to the first sentence, for clarity: "Your Basal Metabolic Rate (BMR) is a measure of the energy your body uses AT ITS CURENT WEIGHT in normal, everyday functions, like digesting food, moving your lungs and pumping your heart."
As mentioned elsewhere on this site (though apparently not here), BMR calculations are rough average estimates. People's actual individual metabolisms may vary. :)
1/17/2012 4:15:35 AM
I did the math and it comes out as 1911.39, Im confused about what this means. Will my body suffer if I eat less than that amout? I havent started excercizing regularly yet : (
I did the numbers, per spark my BMR (at 1.2X to account for light daily activity) is 2075. By this calculator my BMR is 1721.19, multiplied by 1.2 it's 2065.428, that's pretty dead on Spark! For a loss of 2 lbs a week my goal for calories is 1370 to 1720. Without exercise I should still have a deficit, works for me :D
The Spark calorie limit, at first, is set lower than your BMR so you won't be solely dependent on exercise to create a calorie deficit for weightloss.
If you consistently burn a whole lot of calories through exercise on a weekly basis, though, then the calorie limit is reset to a higher level to make sure you are getting enough food (otherwise your body goes into 'starvation mode' and you stop losing weight).
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