So if you want to calculate your real BMR or Metabolic Age then is better to visit a reputed medical facility. The difference in BMRs of those two test subjects was equivalent to running 10km. As we read about some researches of BMR on wikipedia, we found that in a research two different person with same lean body mass of 43 kg when obeserved in a test-lab reported BMRs of 1075 kcal/day and 1790 kcal/day.
It is nearly impossible to calculate metabolic age of every person on earth using the same BMR chart.
But the truth is that BMR varies depending on your geographic location, lifestyle, body type, activity level and various other unknown factors. Metabolic Age is calculating the BMR and then comparing it with average BMR of different age groups. Why Metabolic Age is not always accurate ? People living in US will have different BMR chart than those living in Asian continent.
The comparison differs according to your ethnicity as well. We tried to find a graph or chart so that you can match it to know your, but there no such thing available on net. Lower metabolic age is considered healthy and increases your life expectancy. If your BMR matches with a lower age group then your metabolic age is lower than your actual calender age. Metabolic Age is calculated by comparing your BMR with Average BMR of people with similar height of different age groups. Mifflin - St Jeor formula is given below.īMR for men = (10 × weight in kg) + (6.25 × height in cm) - (5 × age in years) + 5īMR for women = (10 × weight in kg) + (6.25 × height in cm) - (5 × age in years) - 161 Now we use a more accurate formula known as Mifflin - St Jeor formula, which was created in 1990. The above formulas are not used in modern calculations of BMR. The formula given below is known as Harris-Benedict formula, which was created in year 1919.īMR for women = 655 + ( 4.35 x weight in pounds ) + ( 4.7 x height in inches ) – ( 4.7 x age in years )īMR for men = 66 + ( 6.23 x weight in pounds ) + ( 12.7 x height in inches ) – ( 6.8 x age in year ) Our BMR increases till the age of 20 and then starts decreasing 100 Calorie per decade. Height and actual age can't be controlled by anybody. Weight is the only factor that you can control. To keep your Metabolic age below your actual age you need to control your weight. So your metabolic age can be different from your actual age. If your BMR falls in the range of average BMR of other age then your Metabolic Age will be that. To determine what your daily calorie intake should. You will be presented with the calories per day based on the input information. Be sure to select the correct measurement for each (pounds or kg for weight and inches or cm for height). If you would like more explanation on the ins and outs of BMR, please visit our BMR calculator page.Metabolic Age Metabolic age is actually a comparison of BMR of people of similar age group. Just select your gender and then plug in your weight and height information.
I hope this article has been of use to you. If you are super active (very hard exercise and a physical job).If you are very active (hard exercise 6-7 days/week).If you are moderately active (moderate exercise 3-5 days/week) BMR (13.7516 x weight + 5.0033 x height 6.755 x age + 66.473) kcal/day For Women: BMR (9.5634 x weight + 1.8496 x height 4.6756 x age + 655.0955) kcal/day 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.If you are lightly active (light exercise or sports 1-3 days/week).If you are sedentary (little or no exercise).Should you wish to calculate your daily calorie needs manually, simply multiply your BMR by one of the following activity level factors: Note that the BMR calculator can help calculate your BMR and daily calorie requirement for you (or check your manual calculation from above). Calculating your daily calorie requirementĪfter you've calculated your BMR, you may wish to work out your daily calorie requirement. It has been suggested that the difference between the Harris-Benedict and Mifflin-St Jeor equations is around 5%, with a higher accuracy level achieved by the Mifflin - St Jeor formula. BMR = (4.536 × weight in pounds) + (15.88 × height in inches) − (5 × age) − 161 Which BMR formula should I use?īoth the Harris-Benedict formula and Mifflin - St Jeor formula are commonly used and referenced today.
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