With all the different BMR calculators…

amonkey794
amonkey794 Posts: 651 Member
edited November 8 in Health and Weight Loss
How do you calculate what your actual BMR is? I was thinking of taking the average of the 3 I know of, but I'm unsure of what to do.

Replies

  • amonkey794
    amonkey794 Posts: 651 Member
    Bump ?
  • jcr85
    jcr85 Posts: 229
    Here is the generally accepted formula to calculate your BMR.

    Women: BMR = 655 + ( 4.35 x weight in pounds ) + ( 4.7 x height in inches ) - ( 4.7 x age in years )

    How ever no one person is the same therefore using one formula for ever single person isn't an exact science but you really shouldn't see a dramatic difference (+/- 100 Cal) between that different BMR calculators.
  • nehushtan
    nehushtan Posts: 566 Member
    Which ones have you seen and how do they differ?

    I've used this one and I like it: http://www.freedieting.com/tools/calorie_calculator.htm
    I like that it gives you a choice of which formula it will use, and it also provides a convenient zig-zag schedule.

    You can probably ignore a lot of calcualtors that don't ask very much info from you. The less data they have as input, the less precise the answer will be.
  • amonkey794
    amonkey794 Posts: 651 Member
    Both came out dramatically different…
  • PolkaDot88
    PolkaDot88 Posts: 71 Member
    In the one nehushtan posted, make sure you change the "Exercise Level" drop down to Basal Metabolic Rate. I calculated using both formulas and they were about 60 calories away from each other - close enough to be accurate for my purposes.
  • amonkey794
    amonkey794 Posts: 651 Member
    Yeah I changed that and it helped a little, but then I did the calculator with my body fat % and it was around a 165 cal difference
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