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Instructions
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).
1.3K Comments+ Post Comment
I 63 years young with the objective of losing some fat and building muscle that is both strong and powerful (I still work security in hotels).
If I increase the activity level to slightly active to very active 6-7 days per week the calculator increase my calorie requirement from 2,366 to 2968 respectively.
Could you advise what my calorie intake level should be? Understanding, that I am keen to lose fat.
So I've lost 110 lbs the hard way. With that, I'd like to add lean muscle but struggle with the fact I'd have to eat more than the 1500 calories I am consuming. It's hard to find how much I should eat vs. the amount of weight training I should be doing to lean out and improve muscle size. 56/5'-8"/ 230/ Football player build or Endomorph if you know what that is/2378 Cal per day? I have found that 16/8 intermittent fast really works well for me over a 7 or more day period. Any feedback is appreciated.
I recommend you don't try to set an exact calorie range. I also recommend you visit Greg Doucette's YouTube channel.
Why is it that I'm unable to get Bmr calculation
It happened to me the first time because I wrote it inches and lbs after my height and weight. But, since I had already at the very first question clicked on inches/lbs once I removed the words it calculated my bmr. Hope that helps. Good luck
انا وزني 43 وبحرق 1490 سعره حراري كيف بدي انصح ساعدوني
i agree
1545 سعرى حرارية âge 18 ans
At age 52, 5'1", 123 lbs and moderate activity, this calorie calculator says I should be consuming 1910 cal per day. I usually take in 1200 - 1500. I cut back to 1000 when i actively try to lose weight, only because I dont have time to spend more than an hour a day at the gym. Is my metabolism messed up? It is hard to cut back to 1000 cal. I find I dont have much energy. I have an intolerance to wheat and sugar, so I really dont eat bread or sweets. Also, I try to consume 50 - 75 g protein each day. Am I doing something wrong?
You should never try and eat at 1000 calories because your metabolism will crash and your body will go into starvation mode. Instead stick to the 1200-1500 limit and try to increase the activity you do outside of the gym. For example, try to walk at least 5000 steps a day. It doesn't have to be all at once, but if you have a desk job you can get up and walk around once in a while or even go out for a walk during your lunch break.
Hi Mary. It's more for what you're trying to achieve if youd like to build more then use the 1900 cal and base your macros in grams at 40% protein, 30% carb and 30% fat. However if you're looking to not build and rather get a little leaner do them at 40% protein and carbs then 20% fats. You should see good results from that.
If you cut back far enough, starvation mode doesn’t matter because even though you store what you take in you burn enough calories that you still lose weight. I stick at being in a deficit equal to my BMR as a general rule and lose weight fast, in fact during the wrestling season I did that out of habit and struggled to stay at the top of my weight class. Also on the protein to carbs to fat ratio I find most beneficial 7:1:1 with protein the 7 and carbs and fat one. That way you minimize sacrifice of muscle mass (or neutralize it totally, I’ve even gained on huge deficits) and still shed off fat weight.
Best BMR calculator i've found online. At 5.5, 140 lbs and light activity, other calculators had me consuming 1500 cals per day to lose 1lb per week. After a month of not losing anything substantial I came here and found out that is around my maintenance level and that's why the scale hadn't been moving. Dropped calories to 1300 per day and finally losing weight.
This is a brilliant calculator, it says 3000 for me and I’m bulking at 3300 and gaining good weight
Muito bom protocolo, agora tem que saber escolher os alimentos com qualidade
This is my point
Load of sh!te,.. no way is my BMR calorie requirements 4686, why don’t you encourage people to get fat !!!
You can consume 4686 calories a day and lose weight, it just depends on what foods make up those calories, so the website is by no means trying to make you fat, but it presumes that you can control what food goes into your body.
Swimmers....soccer players.....dancers..... Any competitive sport. Please have an open mind if you plan to have results. It's not 4000 calories from big Macs so calm down, educate yourself, and follow/trust the process. There is no such thing as a fast track.
If you ate 4000 calories you are going to gain weight regardless of what is in it, that is not a caloric deficit for anyone
So are you lying about your activities? A friend of mine is on 6k a day and is ripped!
well i got 14409 calories and im 4 '9
Trying to cross check but every time I enter the data it states Please fill in all fields nothing is missing
Works perfectly 2970 kcal bmr :) I was cutting at 2500 :thumbsup:
Couldn't get it to work
This is my point of view too
me too man ooh ooh ah
It didn’t work for me. All fields were filled in and I even changed out 5’7” to total inches. I put 125 lbs and then took out lbs and it still stated “please fill in all fields”. Suggestions?
You need to put your height in inches only, so for you it would be (5 x 12) + 7 = 67 inches. Also only put numbers in the fields, not letter like "lbs"
Worked perfectly fine for me.
I put in everything and my height I did in cm
It worked for me. The only thing I changed was instead of putting down 5’7 as my height , I only wrote down 57 . I’m not sure if that works for everyone but it’s near to my TDEE using a different calculation
Hope this helps
you have to put your height in inches. for you thats 67
This is bogus you’re right it don’t work
Only enter the number for age, height, and weight
I filled in every section and received absolutely nothing to tell me about my calorie intake or my metabolic rate. Please get this right as I see that I am not the only one who was disappointed.
Must do better.
Only use numbers for weight, height, and age.
Only use numbers for weight, height, and age.
Same as Clarke (below). Been getting this message for several weeks. Just figured it doesn't work.
Actually the calculation is fairly spot on. My calorie consumption reads just under 3200. When I have previously set a daily target of 2800 , I managed to loose about half a pound a week. Does not sound much, but starting in February I found that I had shed about 10 pounds come mid June. Not a huge amount but I was only 14 stone to start with and I found that I had cut down to a healthy look. Didn’t feel hungry and it disciplined me to eat properly so I didn’t use up my allowance on ‘empty ‘ calories. Ultimately this works as long as you are honest with how you rate your activity.
can you please tell me what your meal looks like on an average day? thanks
I keep getting a message saying I need to fill in all fields. I have field in all fields. I am not sure what I am doing wrong.
I just tried it in Lb's and it worked fine
Works fine for me too. Compared to the Naval Biometrics Test I just had done, it's a little under 100kcal difference. That's totally acceptable x
It usually mean I filled something in wrong. Ex: when I accidentally fill out my height as 6’3, instead of 75
Change your keyboard language to English. The numbers must be Like this "123". This problem occurs when I write the numbers in Arabic like this ١٢٣.
Enter your height in inches if using US in example if you are 6 feet 2 inches tall enter 74 for the number that should be your problem
انا عمري 28سنة ووزني 52 kg و طولي 163cm
انا عمري 21 سنة ووزني 45 مع العلم طولي 1.69 انا اريد الزيادة في وزني لاني اعاني من النحافة
You have to take your number and add about 500 calories to it.
Hit the gym and increase your protein intake such as meats eggs fish and chicken