Lost on the BMR!

readanddance
readanddance Posts: 311 Member
edited January 1 in Food and Nutrition
I've been checking my BMR on various websites. On websites such as Healthy Living, Livestrong, Mayo, etc., my BMR is 2000. Therefore, if I want to lose 1.5 per week, I need to have approximately 1250 per day.

On My Fitness Pal, my BMR is 2500 with a net intake of 1780. That's a HUGE difference over the course of a week/month/year. This does not include exercise calories.

Why is there such a difference? Should I eat the 1250? I want to be careful that I don't go into "starve" mode.

Thanks in advance!!

Replies

  • Bonny619
    Bonny619 Posts: 311 Member
    Noo, that can't be right. You need to figure out your TDEE and eat 20% below that.
  • Bonny619
    Bonny619 Posts: 311 Member
    Use this site.
    http://scoobysworkshop.com/calorie-calculator/
  • Pebble321
    Pebble321 Posts: 6,423 Member
    Yup, I doubt that all these different numbers are your BMR.

    BMR is the number of calories that would sustain life if you were in a coma (more or less).
    Then you multiply this number by an activity factor (1.2 if you are sedentary and it increases as you are more active). The resulting number is going to be your TDEE.

    You want to be subtracting your calorie deficit from your TDEE not your BMR.
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