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BMR Calculator

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Your Result

BMR: Calories/day
Maintain: Calories/day

Daily Calories needed based on your Activity level

Activity Level Calorie
Sedentary: little or no excercise
Lightly Active: 1-3 times a week
Moderately Active: 4-5 times a week
Very Active: intense excercise 6-7 times a week
Extremely Active: very intense excercise or physical job

Introduction to BMR Calculator

BMR calculator is an online tool that enables you to calculate your body's basal metabolic rate in seconds. The basal metabolic rate calculator can be helpful in figuring out how many calories your body uses to perform its basic functions. The Mifflin-St Jeor Equation is used to calculate your BMR based on your age, gender, height, and weight in this calculator.


The basal metabolic rate which is abbreviated as BMR is the least energy consumption that is required in order to maintain vital activities of life i.e. the respiration, heart pumping, digestion and brain activity without moving or being at rest the energy in the human body is continuously being utilized.


The resting metabolic rate or RMR on the other hand is the energy requirement needed to carry out normal life activities. The RMR calculations are made considering only the daily life process that occurs at rest without performing physical activities.

In order to calculate your RMR you can use the best rmr calculator. It gives accurate results regarding your RMR requirements based on your physical aspects (i.e. weight, height, age and gender), informing you how much kilocalorie is needed to be consumed per day.

What is BMR?

Your body's basal metabolic rate, as defined above, is how much energy it burns at rest each day. In other words, it is the number of calories that you need to maintain your body requirement while not being physically active.

The BMR accounts for 70% of your daily calorie expenditure. In addition to weight, height, age, gender, and genetics, your BMR is also determined by other factors. However, your weight that is not from fat is the largest contributor of BMR, particularly your muscles’ weight.

Weight Loss and BMR

As the BMR is directly linked with the calorie requirement and consumption it plays a significant role in weight loss. When we burn more calories in comparison to the consumed calorie the weight of our is lost as a result.

By setting up a daily calorie consumption target and burning them accordingly, i.e. maintaining the specified BMR you can get assistance in losing your weight.

In order to lose weight or gain muscle, you'll need to have information regarding nutrients. macro calculator for weight loss works accurately to provide you that essential information which help you gaining muscle or losing body fat.

This tool become very useful for women specially when they are pregnant. This website also offer precise ovulation calculator and free due date calculator.

Formula used by Basal Metabolic Rate Calculator?

This BMR calculator uses mifflin st jeor equation to calculate the basal metabolic rate (BMR). This is the most advanced formula which is now being used to calculate BMR. Previously Harris-Benedict Equation was being used but now st jeor equation is worldwide acceptable for calculating basal metabolic rate.

BMR is also used while calculating total energy expenditure, Try tdee calculator with steps, for accurately calculating the total daily energy expenditure accurately.

Benefits of using BMR Calculator

The bmr calculator to lose weight helps you count your body’s BMR by doing a few clicks. It helps you to be aware of your average daily activity level and the number of calories you need daily. You can use the basal metabolic rate calculation tool to lose weight or maintain or plan accordingly.

Using bmr calorie calculator makes you aware of your basal metabolic rate as well as the overall amount of calories you burn on a daily basis. For every man and woman, it is an important step in the process of achieving or maintaining a healthy weight.

The mifflin st jeor calculator helps you to understand your body requirements and current status. It makes it easier for you to make adjustments in your life that will have a positive impact.

Therefore, calculating your BMR using this accurate BMR calculator is an excellent factor to start whether you want to gain weight, maintain your current weight, or reduce weight as it accounts for the calorie requirement and needed consumption.

Related: best bac calculator and daily calorie calculator which helps you calculating the required amount which your body can intake.

How to find the BMR Calculator?

It is not so difficult to find an online mifflin equation calculator. You can find this mifflin st jeor equation calculator by different ways like you can search on Google for best st jeor calculator or st jeor equation calculator. Similarly this calculator has other names like the BMR calculator, Basal Metabolic Calculator etc etc.

Harris-Benedict Equation was previously used to calculate BMR so people also can search for the Harris-Benedict Equation calculator but this equation is now obsolete. You can also search for CALCULATORED to find this accurate BMR calculator.

How to use the Mifflin st Jeor BMR Calculator?

Calculate your BMR using this most accurate bmr calculator with simplified and quickest method. Simply put in your values and get the most accurate results of BMR calculation. You just need to follow the process which is defined below:

First of all choose your gender whether you are a male or a female, as the formula for both the genders differ.

Calculate your current weight using a weighing scale and input your weight. Alway be sure to weigh recently before entering into the to receive results according to your preset weight.

Convert your height to the unit specified within the calculator and enter it in the space provided.

And as a last metric you have to enter your age. Simply type in your age and click "calculate". Use age calculator gap, if you want to find exact age in terms of years, months, days, hours and seconds. You can find the child age gap calculator to calculate the age gap accurately.

  1. Gender Selection
  2. Enter Weight
  3. Enter Height
  4. Enter Age

Thus, without using any kind of complex equation and performing lengthy calculations or staying overnight in a random lab, you can calculate your body’s basal metabolic rate. The metabolic age calculator is a handy tool that can assist you in losing weight with BMR calculations.

Frequently Ask Questions

What is a Good/Normal BMR?

Generally, in healthy individuals without considering the genders a good or normal BMR is considered to be around 2000 kcal/day.

Is high BMR good or low BMR?

The BMR is a measure informing how much energy is being consumed by your body. A high BMR depicts there is more calorie consumption in your body. While a low usage of energy or calories is represented by low BMR.

Therefore, having a higher BMR is good, indicating that more calories are being consumed and there is less storage of energy as fat in the body.

What are the ways for calculating BMR?

Your BMR could be identified either by going for an overnight laboratory test, performing manual calculations using the BMR equations or by the simplest procedure of using an online tool.

How to increase your BMR?

The basal metabolic rate of your body could be increased from their current either by increasing your lean muscle mass content your daily physical activity levels.

Why Male have higher BMR than Females?

Generally, the BMR of males are found to be more than that of females. For instance, when the BMR of a male and another female of the same age, weight and height are compared. It would come out that the male would have a higher BMR than the corresponding female.

It happens due to the fact males have more muscle mass than fat mass as compared to females. Moreover, the higher physical activity level of males also contributes to increased BMR than females.

Is metabolic age calculated using BMR?

The metabolic age of a person is calculated by taking into account the BMR values. Or in simpler words we can say that the metabolic age is the number of calories your body burns at rest, compared to the average BMR of people of just your chronological age.

What affects your BMR?

Various factors contribute influence the BMR values of your body some of the notable ones include:

  • Gender
  • Weight
  • Height
  • Age
  • Ethnicity
  • Weight history
  • Body composition
  • Genetics / heredity factors
  • Maternity
  • Hormones
  • Diet
  • Fat Content
  • Internal/External Temperatures

Which activities are involved in BMR?

BMR is considered to be that minimum amount of energy that is needed in order to carry on life processes that happen on their own at rest. For instance any kind of internal activity your body is performing without requiring you to move that may includes the following:

  • Breathing
  • Cellular Respiration
  • Digestion
  • Brain Activity
  • Heart Pumping
  • Blood Circulation
  • Biochemical Reactions
  • Maintaining Internal temperature

Hope you enjoyed our basal metabolic rate calculation tool and article. Don't forget to give feedback below !!