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Basal Metabolic Rate (BMR) Calculator

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  • Post last modified:November 3, 2023

Use this calculator to understand how BMR affects your weight 👇

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What is Basal Metabolic Rate?
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BMR Calculator   BMR (basal metabolic level), Basic metabolic rate, is an indicator that shows us how many calories our body consumes in a day. Metabolism includes the processes the body needs to function. Basal Metabolic Rate (BMR) is the amount of energy per unit time that a person needs to maintain the body at rest. Some of these processes are breathing, blood circulation, controlling body temperature, cell growth, brain and nerve function and muscle contraction. Basal Metabolic Rate (BMR) affects the rate at which a person burns calories and ultimately whether that person maintains, gains, or loses weight. Basal Metabolic Rate accounts for 75% (on average) of the calories we consume each day. On the contrary, the Active Metabolic Rate calculates the energy needed by our body when it is in some physical activity and varies based on the lifestyle we lead (eg: sedentary, sports, etc.). Metabolic rates beyond physical exercise are proportional to a person's sex, weight, height, as well as age and are calculated through mathematical formulas. The mathematical formula for calculating Basic Metabolic Rate is as follows: Women: basal metabolic rate = 655 + (9.6 x weight in kilograms) + (1.8 x height in centimeters) – (4.7 x age in years) Men: basal metabolic rate = 66 + (13.7 x weight in kilograms) + (5 x height in centimeters) – (6.8 x age in years) At the same time, to calculate your Active Metabolic Rate you should first choose the type and frequency of your daily physical activity which is divided into 5 levels.

  • Very Small – Infrequent Exercise BMR x 1.2
  • Moderate – Exercise up to 3 times per week BMR x 1,375
  • Intense – Exercise 3-5 times a week BMR x 1.55
  • Daily – Exercise every day BMR x 1,725
  • Athletic – Very intense exercise every day BMR x 1.9
In this way, you can easily calculate your body's daily energy needs, i.e. calories, so that you know how much energy you need to take in to maintain, increase, or decrease your body weight. The method of calculation according to the Site http://www.calories.com.gr/

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Calculate Your Basal Metabolic Rate

Knowing your basal metabolic rate (BMR) helps you determine the estimated baseline amount of calories your body needs to function and serves as a starting point to determine how many calories you may want to consume based on your goals.

What Is Resting Metabolic Rate?

Generally speaking, your BMR—which is sometimes referred to as resting metabolic rate—is the total number of calories your body needs to perform essential, life-sustaining functions. These basal functions include circulation, breathing, cell production, nutrient processing, protein synthesis, and ion transport. Using a mathematical formula, you can determine your BMR. Below, learn more about basal metabolic rate and how it applies to you.

How to Calculate Your BMR

Basal metabolic rate measures the calories needed to perform your body’s most basic (basal) functions, like breathing, circulation, and cell production. BMR is most accurately measured in a lab setting under very restrictive conditions. However, you can use an online calculator to estimate your BMR based on factors such as age, sex, height, and weight. To calculate your BMR using this tool:
  1. Go to the following BMR calculator.
  2. Enter your age, sex, height, and weight.
  3. Click “Calculate.”
The calculator will provide you with an estimated number of calories that your body burns at rest.

How to Use BMR to Lose Weight

Once you know your BMR, you can use it as a starting point for determining how many calories you need to consume each day based on your goals. For example:
  • If you want to lose weight: You need to consume fewer calories than your BMR.
  • If you want to maintain your current weight: You need to consume roughly the same number of calories as your BMR.
  • If you want to gain weight: You need to consume more calories than your BMR.
It’s important to note that these are just general guidelines. The number of calories you need each day depends on many factors such as age, sex, height, weight, and activity level.

Conclusion

Knowing your basal metabolic rate is an important step in understanding how many calories you need each day based on your goals. By using an online calculator or consulting with a healthcare professional, you can determine the estimated baseline amount of calories your body needs to function and serve as a starting point for determining how many calories you may want to consume based on your goals.

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