This BMR tool works on a proven formula and is very accurate. The calculator uses two formulas to calculate your body's daily calorie requirements.
- Basal Metabolic Rate (BMR) Formula
The basal metabolic rate formula takes several variables like height, weight, age and gender to calculate your calorie needs as if you did not do any exercise. - Harris Benedict Formula
The Harris Benedict Formula takes the number produced by the BMR formula and multiplies it depending on your activity level.
The only factor it omits is lean body mass and thus the ratio of muscle-to-fat a body has. Remember, leaner bodies need more calories than less leaner ones. Therefore, this equation will be very accurate in all but the very muscular (will underestimate calorie needs) and the very overweight (will over-estimate calorie needs).
Comments (679)
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Posted Thu, 08/30/2012 - 23:49
I want to compete! Help me get there!
Posted Fri, 08/31/2012 - 16:20
Hi, I used the calculator to get an estimate of my BMR but the results say that it is accurate unless you are very muscular or very overwieght. Since I am a very overweight female, I'm wondering how would I get a more accurate estimate for my BMR? Thank you
Posted Fri, 08/31/2012 - 16:43
Hey Sharon,
The calculator is likely overestimating your caloric needs. You can get a better idea by subtracting a few hundred calories and go from there.
Posted Fri, 08/31/2012 - 17:33
Thanks.
Posted Sat, 09/01/2012 - 05:55
im 37 trs old tryin to gain muscle
Posted Sun, 09/02/2012 - 03:34
Are these daily calorie requirements what I need to lose weight. My goal is to lose another 15-20 pounds. I am 55 yrs old female, my weight is 170, 5'2" According to this sight, I should be getting in 1596 calories a day. I desperately want to lose a huge gut?
Posted Mon, 09/03/2012 - 07:03
i have been working out for about 6 months now steadly going at it...i weigh 170 lbs and cant seem to gain any weight..i have gotten a little bit bigger since than what would be the best protein or brrand to use to give me more muscle weight
Posted Mon, 09/03/2012 - 12:39
what about to lose weight? i am guessing this number is to maintain current weight. is there adjusted number for that?
Posted Tue, 09/04/2012 - 06:20
This is my first time using this website. Is it accurate?
Posted Tue, 09/04/2012 - 23:40
Interesting
Posted Wed, 09/05/2012 - 00:29
I really want to get this weight off.
Posted Wed, 09/05/2012 - 04:04
Hi
Posted Wed, 09/05/2012 - 14:24
None
Posted Wed, 09/05/2012 - 14:33
Ya me
Posted Fri, 09/07/2012 - 23:28
Cool
Posted Sat, 09/08/2012 - 00:00
Wow. Usually i eat under 1000 calories now but, i entered my data. I'm 75 inches tall, weight in at 271, age 16, and male. My intake of calories should have been 3572 calories while i only exercise once a day. Fascinating.
Posted Sat, 09/08/2012 - 16:15
No comment
Posted Wed, 09/12/2012 - 21:40
I need to see what I need to do to get it right bulk up
Posted Thu, 09/13/2012 - 18:32
thanks
Posted Fri, 09/14/2012 - 02:58
trying to get ripped.
Posted Fri, 09/14/2012 - 03:01
hello
Posted Sat, 09/15/2012 - 12:44
used this cause i want to gain muscle
2700 is about right for Daily caloric needs
i eat 3.3-4k
Posted Tue, 09/18/2012 - 03:56
Calculator not working , filled in all feilds and it stills tells me to fill in all feilds
Posted Wed, 09/19/2012 - 09:06
Help me
Posted Wed, 09/19/2012 - 18:26
I'm a bodybuilder 5'6, 156Lbs. Now it says I should take in 2687 calories to maintain BUT the thing about this is I'm trying to build muscle but at the same time have at least a flatter stomach. How would I go about this? Just bump down the calorie intake or would that effect how many calories I should get to build muscle?
Posted Fri, 09/21/2012 - 01:11
yep
Posted Sun, 09/23/2012 - 13:27
?
Posted Sun, 09/23/2012 - 13:29
whats mine?
Posted Mon, 09/24/2012 - 08:53
I want to build more muscle
Posted Tue, 09/25/2012 - 12:00
Just wondering, I seem to be inbetween two of the activitie levels i.e I train with weights 4 times a week but I train very intense and as heavy as possible. I also do two HIIT workouts in the week. My job is behind a desk most of the day so i'm not sure whether I should be moderately active or very active?? Help!
Posted Wed, 09/26/2012 - 18:45
Im 38 WF , 168lbs, almost 5'8" ... I eat 1200 calories of raw fruits, protein bars, lots of fiber , veggies, etc. No potatoes rice or other " white" foods 5 days a week and 1400 calories on Wed & Sun. I walk 8-10 miles / 5 days a week @ 4.0 mph and Crunch Cardio videos 3 days a week for 30 min. No weights or resistance training. I am trying to lose 20 lbs. I have been on this program for 4 weeks. I havent lost a single pound and it's starting to tick me off. I have lots of energy and sleep like a trooper but I'm just not losing this weight. What am I doing wrong?
Posted Wed, 09/26/2012 - 21:37
i need to learn how to calculate my bmr
Posted Fri, 09/28/2012 - 11:38
Whats the best pre work out foods for hypertrophy training :)
Posted Sun, 09/30/2012 - 10:38
good..shows perfect calc.now need to intake more 4 more calories.
Posted Sun, 09/30/2012 - 20:26
it says that i need 2985Cal thats based on working out 3 to 5 days. so my work requires physical activites too so how much should i add?!
Posted Mon, 10/01/2012 - 11:12
My calculator says I need 8650 calories a day what up with that it must be wrong lol
Posted Mon, 10/01/2012 - 14:03
help me what can i do to loss my fat .
Posted Wed, 10/03/2012 - 07:43
3100 thats with a deficit?
Posted Thu, 10/04/2012 - 00:47
Nice
Posted Thu, 10/04/2012 - 20:31
Cool!!!
Posted Fri, 10/05/2012 - 12:10
Hi
Posted Fri, 10/05/2012 - 22:56
Curious
Posted Sun, 10/07/2012 - 01:22
Want to know proportion of my weight and height
Posted Sun, 10/07/2012 - 01:26
Want to know proportion fats in my body
Posted Sun, 10/07/2012 - 04:53
I am always unsure as to what is meant by "activity level" because the only real physical work I do is in the gym - and I leave it ALL in the gym. Outside of it, I conserve as much energy as possible, leading a very sedentary lifestyle. I don't work, I sleep a lot, I eat close to 35-45-20 every 3 hours.
What level of activity does this entail?
Damned if I know...
Posted Mon, 10/08/2012 - 21:02
Does this work?
Posted Wed, 10/10/2012 - 01:11
I love this
Posted Wed, 10/10/2012 - 22:38
Trying to get lean again five years and one baby later
Posted Thu, 10/11/2012 - 18:15
Thank u.
Posted Fri, 10/12/2012 - 00:46
No
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