Lean muscle tissues are metabolically active and burn kilocalories rapidly.
Medications such as antidepressants and steroids also tend to cause weight gain because they impact normal body functions. Such as caffeine and nicotine, can increase BMR (basal metabolic rate) regardless of your diet. The higher rate of metabolism that occurs during late pregnancy is associated with the metabolism of the foetus. Many changes occur in a woman's body during pregnancy. In contrast, low levels lead to lower metabolism. For example, the amount of thyroxine in the body also affects basal metabolic rate: a higher level of thyroxine leads to an increased BMR. Hormonal imbalances can decrease or increase BMR. If you have a family history of obesity, you may be predisposed to weight problems. Men have a faster metabolism and higher basal metabolic rates than women, who tend to be smaller and have less muscle mass. The male body tends to have a 10-15% higher BMR than the female body. After age 20, the basal metabolic rate (BMR) decreases by 2 percent per decade.īecause infants and children grow rapidly, they need more energy per pound of body weight than adults do.įat cells consume fewer calories than other body parts-the higher your body fat percentage, the lower your basal metabolic rate (BMR), and vice versa. As we age, our metabolism slows due to hormon al and physiological changes and the loss of muscle tissue. Children have faster metabolic rates than adults. The most significant factor that affects BMR is age. Metabolism rate varies from person to person.
The loss of lean muscle tissue also leads to a drop in BMR. If you consume fewer kilocalories, the body slows its metabolism (the rate at which it burns energy) to conserve energy. Body surface area Taller adults have more metabolising tissue than shorter-statured ones, which means they burn more calories-leading to a higher BMR.Many factors contribute to your BMR, such as: This calculation is not always accurate because it does not consider other activities or exercises and variables such as muscle mass, diet, weather, genetics, pregnancy, and supplements. To calculate your BMR, you need to know your weight, height, age, and gender and add those details to the basal metabolic rate formula (like the one below) to determine how many calories you need to burn daily to maintain normal healthy physiology. BMR Calculation Formula- The Harris-Benedict equation revised by Roza and Shixgal This is how you can utilise the BMR calculator to lose weight or track how well your diet and exercise routine are working for you. If you know how many calories your body needs each day, you can use the information to ensure the foods and drinks you consume provide enough energy without causing a caloric surplus or deficiency. Why is BMR Calculator important?īecause it gives you an idea of how many calories you burn every day at rest-understanding your BMR allows you to set realistic fitness goals, including losing weight or gaining muscle mass. The Basal Metabolic Rate calculator is a simple tool used to estimate the basal metabolic rate of your body and measure the kilocalories required to sustain life processes at rest-essentially, what your body needs to keep you healthy.īecause BMR measures the rate at which one’s body burns calories when a person is resting, it can only be accurately calculated after fasting for 12 hours and getting a whole night’s sleep-with no physical activity or emotional excitement.
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