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 (635)
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Posted Mon, 07/09/2012 - 11:01
Does this calculator tell me how many calories i have to eat per day to build muscle or just to get lean?
Posted Thu, 07/12/2012 - 16:32
Hey Steve,
First off, I would like to thank you so much for the information that you post on this website. It has helped me tremendously.
I have transformed over the past year from a 6'4 frame with 260 lbs of mass trained specifically for football, to a much leaner 6'5 220 lbs. I have been using your PMB workouts for about two months now and it is an awesome routine. I just used this tool to check my calories and it is saying a whopping 6000 calories just to maintain weight?! That just seems a little insane to me. I guess I'm just trying to confirm that this is correct?
19 years old, work a physical labor job 5 days a week, and I am currently on your 5 day split PMB routine.
Thanks for any input man
Posted Sun, 07/15/2012 - 17:27
Needing information on a protein supplement shake to fit my diet plan.
Posted Thu, 07/19/2012 - 13:25
Hi, I'm 61 yrs. old,female, joined a gym, needed weight bearing exercises,I don't count calories,try eat healthy,cheat 1-2days a wk.,menopausal,PAIN, can't shed lbs. on scales but see toning, have lost body fat. I want weight loss and never had a problem lossing before until this time in my life!!!Everyone wants supplements,weight watchers etc..don't work for me.I did have a trainer,learnt alot,any suggestions shed muffin top and 10-15lbs.
Posted Fri, 07/20/2012 - 14:32
Brisk walking on the treadmill
Posted Mon, 07/23/2012 - 21:51
Great resource - thank you! I do have a question: I am female, 5'8'', and my caloric needs come out to 2094 for "moderately" active, and 2330 for "very" active. I am currently in my second round of P90X, and beyond that I do fair bit of walking the dogs. Sometimes throw in cycling. Should I be looking at the moderate level, the very active level, or somewhere in between?
Posted Mon, 07/30/2012 - 23:46
nice
Posted Tue, 07/31/2012 - 06:01
How do we find out how many calories we should be eating if we are currently X weight and want to go down to Y weight?
Posted Sun, 08/05/2012 - 00:45
no comment
Posted Mon, 08/06/2012 - 13:36
lol this has to be the most inaccurate calculator i came across, it says i burn 4339 calories if im sedentary lmao! yeah right, i WISH. other calculators are more accurate, ranges from 2000, to 2400 on others which is probably correct, this, no way.
Posted Mon, 08/06/2012 - 15:05
i am 45 years old have i workout alot tried most suppliments. i work a pretty physical job. been trying to gain weight. nothing seems to help. can only eat and drink so much. do you have any suggestions.
Posted Mon, 08/06/2012 - 19:54
very good info
Posted Tue, 08/07/2012 - 13:48
would like to lost some weight to better my health.
Posted Thu, 08/09/2012 - 00:46
Cool
Posted Thu, 08/09/2012 - 15:25
If my calorie intake is 2090, how many calories would I consume to lose weight? I need to lose 35 pounds. Thank you in advance.
Posted Fri, 08/10/2012 - 15:53
It's telling me i need to take 11627 calories per day is even possible???
180lb, 5'10, workout 4 days a week
Posted Fri, 08/10/2012 - 16:23
Good
Posted Fri, 08/10/2012 - 22:46
Good tool!
Posted Sat, 08/11/2012 - 23:45
good calculator my friend!!!
Posted Sun, 08/12/2012 - 17:42
Not bad
Posted Sun, 08/12/2012 - 18:14
no comments
Posted Sun, 08/12/2012 - 18:16
Thanks for the answers
Posted Mon, 08/13/2012 - 12:21
Hey,
I am 27, 5 foot 4 and 60kg. Currently doing a lot of crossfit and lost about a stone in weight. Looking to build muscle now. I'm pretty lean but looking to build lean muscle instead of gaining serious weight any suggestions ?? Please
Posted Tue, 08/14/2012 - 13:49
My shoulders lag, they always have. My life only allows a 3 day per week training schedule. Sat-Chest, shoulders, tri, legs, Tues back, traps, bis, Thurs-chest, shoulders, tris, sat-back, traps, bis and so forth so that every other week, my upper body muscles get trained twice and my legs get trained once per week. I was thinking of adding some time to train shoulders exclusively one time extra on the week they only get trained once, so that I can give them extra attention. I currently do giant sets for them of side laterals, d-b press, upright rows, Arnold press. They burn, but no caps. They look odd with my chest and triceps. I don't want to over-train them. Maybe I need new exercises. What else can you do for the front delts besides front raises. Rear delts get trained with traps and look even with the rest of me. Anyway, I look to you all for advice. God bless you.
Posted Wed, 08/15/2012 - 08:11
Excellent! Really appreciate free help!
Posted Wed, 08/15/2012 - 21:29
Good
Posted Fri, 08/17/2012 - 07:11
Thanks
Posted Sat, 08/18/2012 - 23:52
Trying to figure out bmr calculator
Posted Fri, 08/24/2012 - 16:06
Is this to maintain or gain?
Posted Sat, 08/25/2012 - 20:02
Hi I am 16 years old and I wanna build muscle and I've been taking different protein shakes and I wanna know what protein power is good to take to build muscle
Posted Mon, 08/27/2012 - 18:16
Big
Posted Mon, 08/27/2012 - 21:00
Thanks for helpin
Posted Mon, 08/27/2012 - 23:36
Wow! This Waaayyy overestimated my caloric needs. If I ate 2300 calories a day I would gain so much weight.
Posted Mon, 08/27/2012 - 23:43
Cool
Posted Tue, 08/28/2012 - 14:37
Need bmr
Posted Tue, 08/28/2012 - 17:28
Loose fat?
Posted Tue, 08/28/2012 - 20:22
I answered all the questions and it didnt calculate my daily calorie needs. It keeps saying to fill in all fields but they are all filled in :( the Help!
Posted Wed, 08/29/2012 - 03:17
Awesome
Posted Wed, 08/29/2012 - 12:34
Thanks
Posted Wed, 08/29/2012 - 16:36
none
Posted Thu, 08/30/2012 - 15:02
thnx 4 d support
Posted Thu, 08/30/2012 - 15:26
excellent site very helpful.
Posted Thu, 08/30/2012 - 20:01
What is my BMR
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
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