You are basically looking at the calories you burn a day when at rest with no digestion occurring. There are various methods to calculate an estimate of your BMR and the calculator will return two estimates based on the formulas developed by MD Mifflin and ST St Jeor as well as the Harris-Benedict equation. The equation introduced by MD Miffin and ST St Jeor is as follows:īMR = (9.99 x weight + 6.25 x height – 4.92 x age + s ) kcal/day These equations allow an approximation of your BMR to be computed from the above data. s is a factor to adjust for gender and adopts the value +5 for males and -161 for females.Īs an alternative method of calculation, the Harris Benedict equations adopt separate equations for men and women as follows:īMR = (13.7516 x weight + 5.0033 x height – 6.755 x age + 66.473) kcal/dayīMR = (9.5634 x weight + 1.8496 x height – 4.6756 x age + 655.0955) kcal/day Here, weight is in Kilograms, height is in centimeters and age is in years. Similarly to the above formula by MD Miffin and ST St Jeor, weight is in Kilograms, height is in centimeters and age is in years. Some studies have shown the equation by MD Miffin and ST St Jeor to be more accurate here, while the Harris Benedict equation was created in 1919 and has historical significance. The calculator will return an estimate of your BMR using both of these methods. One of the useful properties of computing such an estimate of your BMR is that you can then use this to esitimate the calories you burn a day. The BMR calculator will then adjust your BMR by various factors to show estimates of the calories you burn a day based on your activity level. You exercise moderately (3-5 days per week) The activity levels and their factors are as follows: Activity Level These estimates are simply computed by multiplying your BMR by the factor specific to an activity level. You might also like to take a look at our more general weight loss calculator. This calculator calculates some additional pieces of weight loss information such as your BMI and recommendations on the number of calories you should consume.Ī lot of the research for this calculator was based on the Wikipedia entries relating to Basal Metabolic Rate and the Harris Benedict Equation.ĭisclaimer: This tool is provided for informational purposes only. The equations applied here are general equations that generalize between people and as such may not be accurate in all cases. The tool is not relevant to children or pregnant women. This calculator is provided free of charge. Before commencing a weight loss program, always consult your doctor.Then pay attention, because we’re about to give you the secret to success no matter what your goals are! No guarantee of the accuracy of this tool or its suitability to all people is provided. No matter what your goals are (fat loss, muscle gain, better performance, etc), it all comes down to your diet. That’s why it’s absolutely crucial you know what your TDEE is and how to put it to work for you! You can do all the training you want to, but if your nutrition habits aren’t aligned with your goals, you’ll never achieve the results you’re truly seeking. It is the total sum of calories you burn in a given day comprised of four key factors: TDEE stands for Total Daily Energy Expenditure. The number of calories your body each day just to keep you alive, with zero physical activity. Think of this as your “survival” level of calories.
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