AccuBMR is the world's most accurate BMR, TDEE, and calorie intake calculator app!



Increased BMR estimation accuracy

AccuBMR estimates your BMR using the Katch McArdle formula, which takes into account your body fat percentage and the amount of fat free mass you’re carrying, rather than simply using your total body weight (like almost all other BMR calculators do).



Increased TDEE estimation accuracy

AccuBMR estimates calorie expenditure from your daily activities by quantifying calories burned from exercise, work, and "rest of the day" activities separately, rather than simply using one generic activity multiplier for all your daily activities.



Dynamic adaptation to changes in daily calorie expenditure

AccuBMR recognizes that your total daily energy expenditure, or TDEE, is a moving target, partly because it responds dynamically to changes in energy intake, and makes adjustments for this so that you won't start with too many or too few calories.



Calorie intake for maximum fat loss and muscle growth

AccuBMR adjusts the recommended calorie intake according to your body fat percentage, putting you in a larger caloric deficit if you're carrying more body fat, and in a smaller caloric deficit if you're carrying less body fat, thereby ensuring that you're maximizing fat loss and muscle building.


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