This BMR calculator will perform this calculation of your overall calories burned at the same time it calculates you BMR. You can then get an estimate of the calories you burn a day by multiplying your computed BMR by a factor that is dependent on how active you are. These methods compute an estimate of your BMR from personal factors such as your age, gender, weight and height and are most easily applied through the use of a dedicated calculator for the purpose. There are a number of established methods to calculate an estimate of your BMR such as the Harris-Benedict equations or the fomula of MD Miffin and ST St Jeor. Your BMR (basal metabolic rate) is the calories you burn a day with no real activity or digestion occurring. A good way to get an initial estimate of the calories you burn is through the use of a BMR calculator or a calorie calculator such as the one at this site. There are a couple of approaches to this problem. This then brings us to the question of how many calories do i burn a day. If on the other hand you are aiming to maintain your current weight, you should simply aim to consume around the same number of calories that you burn. If you are aiming to lose 1 to 2 pounds a week, this would imply creating a calorie deficit of about 3500 to 7000 calories a week, or 500 to 1000 calories a day. As muscle burns calories at a faster rate when at rest than fat, losing lean muscle may lower the calories you burn a day, and is thus counter productive to long term fat loss. It has been suggested that if you attempt to lose weight at a rate that is faster than this, you risk losing lean muscle rather than fat.
Many sources recommend that to engage in consistent long term weight loss you should aim to lose about 1 to 2 pounds of weight a week. So some of the questions that are needed here are to understand the calories you are burning a day as well as if you are aiming to maintain your weight or potentially lose weight. Creating a calorie deficit of 3500 calories over a period of time should result in about 1 pound of weight loss. If you consume the same number of calories as you burn, your weight should remain relatively constant. The answer to this depends on both the calories you are burning and your weight loss goals. Think about it, in any given 24 hour period, most people spend most of their time time lying in bed asleep or sitting comfortably.One of the first questions people ask when starting to count calories is how many calories should i eat a day. Every little movement of any muscle is real exercise! BMR means We Burn Calories lying in Bed! Your liver alone burns about 15% of your daily requirement just by doing its basic job.Įvery person has muscle fibre which at some point will be active, so there is always a level of fitness regardless of body type. At least 60% of all energy used by everyone goes into basal metabolism. Truly, we burn most of our energy in “basal” mode. That’s what Basal Metabolic Rate (BMR) is! In fact, over time, this sort of activity burns the most calories. Utterly sedentary actions like simply reading these words is using energy. Just breathing in, and breathing out, is burning calories. Exercise is Good, but not Necessary, to burn kJsĪll this to say, your body burns kilojoules even without exercising. That person breathes more and has a higher BMR because a toned, fit body simply needs more energy.īesides muscle tone, body size, age, the ambient temperature, genes, hormone balance and other factors all affect the rate of energy burn at a basic level. Think about it: a person used to gym training and exercise simply breathes harder and stronger than a person with poor muscle tone. In reality, no two people can have the exact, identical BMRs. However, such a case of two people with the same metrics shows the limitations of any BMI-like formula. Our BMR Calculator applies the Harris Benedict formula to your height, weight, gender, and age, so two different people with the exact same weight, height, gender, and age will have identical results. Different People, Different BMR Calculator Results They stay functioning and using energy for as long as you are alive.īMR is your heart, lungs, liver and other essential organs just doing their thing. Think about what your body is doing when you are lying in bad, gazing up at the ceiling.Įven though you are not “doing anything”, your heart, liver, kidneys, brain and all the other organs are fully functional. BMR keeps Running for as long as you Live…
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