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# Thread: BMR Calculator

1. ## BMR Calculator

http://bodybuilding.com/fun/girard2.htm

It says I need 1894 calories a day. Since I'm cutting that means I should only intake 1394. That seems a little low...

I'm 5'10 187lbs.

Should I go by this calc?

2. Yes that does seem low. Says I need 2000 for BMR. I know I'm around 2400-2500 actually.

3. Originally Posted by DeathAtAFuneral
http://bodybuilding.com/fun/girard2.htm

It says I need 1894 calories a day. Since I'm cutting that means I should only intake 1394. That seems a little low...

I'm 5'10 187lbs.

Should I go by this calc?
Yeah, seems extremely low. Try inputting your values into this calculator:

http://www.exrx.net/Calculators/CalRequire.html

4. No, that is likely the correct number for your BMR. However, don't confuse BMR with TDEE (total daily energy expenditure). The BMR is the number of calories a patient in a comatose state needs to maintain life, presumably you are not comatose. You need to multiply the BMR by the "activity factor" which ranges from 1.2 for fairly sedentary individuals up to 1.9 for people at the other extreme. You are most likely around 1.35.

1.35 X 2000 = 2,700 TDEE

Cut from there.

5. Originally Posted by DeathAtAFuneral
http://bodybuilding.com/fun/girard2.htm

It says I need 1894 calories a day. Since I'm cutting that means I should only intake 1394. That seems a little low...

I'm 5'10 187lbs.

Should I go by this calc?
That is what you need, if you were to lay in bed all day long with no activity to maintain your weight now. That is not the BMR for activities, such as moving around, walking, working out, etc. Go by this:

BMR = 66 + (13.7 X wt in kg) + (5 X ht in cm) - (6.8 X age in years)

Then determine your maintenance level:

Sedentary = BMR X 1.2 (little or no exercise, desk job)
Lightly active = BMR X 1.375 (light exercise/sports 1-3 days/wk)
Mod. active = BMR X 1.55 (moderate exercise/sports 3-5 days/wk)
Very active = BMR X 1.725 (hard exercise/sports 6-7 days/wk)
Extr. Active = BMR X 1.9 (hard daily exercise/sports & physical job or
2 X day training, marathon, football camp, contest, etc.)
That is from this thread: http://forum.bodybuilding.com/showth...hp?t=116506481 This is probabally the most useful thread for beginner weight loss in my opinion.

That is what you should be eating at. Eat at that for about two weeks and see how your weight loss goes. Then adjust as needed.

6. http://www.freedieting.com/tools/calorie_calculator.htm

I like this one, it has options that automatically show you ranges based on activity.
I put in your stats, it shows 1801 cal/day for weight loss with little or no exercise.

7. Originally Posted by DeathAtAFuneral
http://bodybuilding.com/fun/girard2.htm

It says I need 1894 calories a day. Since I'm cutting that means I should only intake 1394. That seems a little low...

I'm 5'10 187lbs.

Should I go by this calc?
I think your mistaking BMR from Maintenance. Your supposed to be cutting calories from your maintenance, not your BMR. So yes, those numbers are way too low.

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