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RMR Calculator


Our online RMR calculator estimates the calories that are burned while being in the non-physical steady phase. With the help of our resting energy expenditure calculator, you can unfold how many calories burned at rest by just putting the values in the tool.

What Is RMR?

RMR stands for resting metabolic rate. It is the measurement of the number of calories that our body dominates during lighter exercises like eating, breathing, basic brain function, walking, stretching, and using the restroom. 

RMR Formula: 

The resting metabolic rate calculator is used to estimate the same type of calories as total daily energy expenditure. The resting metabolic rate formula is as follows:

For Men = RMR = (10 * weight in kg) + (6.25 * height in cm) - (5 * age in years) + 5 

For Women = RMR = (10 * weight in kg) + (6.25 * height in cm) - (5 * age in years) - 161

How To Calculate RMR?

Estimating the calories your body needs depends on your own personal body composition. By using our RMR calculator with body fat, you can make your calculations fast. Let us try to solve the example by using the Mifflin-St Jeor equation that is the most accurate.


Suppose that a 32 years old girl is on a dieting plan and wants to calculate her exercise needs and nutritional consumption. While she has a weight of 103kg, and a height of 183 inches so calculate her resting metabolic rate. 

RMR = (10 * weight in kg) + (6.25 * height in cm) - (5 * age in years) - 161

RMR = (10 * 103) + (6.25 * 183) - (5 * 32) - 161

RMR = 1030 + 1143.75 - 160 - 161

RMR = 1852.75

Our RMR calculator also helps you to weight loss by assuming your activity level and the energy that your body needs in a resting state. 

Working of RMR Calculator:

For a proper understanding of the resting calories burn calculator, keep yourself focused and stick to the following points.


  • Enter your age 
  • Chose your gender 
  • Enter your height and select its unit 
  • By selecting the weight unit, enter the current weight 
  • Tap “calculate”


Our Resting Calories calculator gives you the following results.

  • Total resting metabolic rate 
  • Complete step-by-step calculations


Basal metabolic rate is the minimum amount of calories that a body needs during rest. Weight is the most significant contributor to the basal metabolic rate calculation. It takes into account some factors. These include: 

  • Pumping 
  • Digestion
  • Breathing 
  • Hair and skin growth 
  • Secretion of hormones 

RMR is the amount of energy that your body needs to function in little activities. It accounts for low-effort daily activities. These include:

  • Eating 
  • Walking 
  • Bathing shivering 
  • Talking 
  • Working on your desk 


What Is Resting Energy?

This is the energy that you consume during rest or while being in the non-physical steady phase. These are also known as the resting metabolic rate. This consumption of energy varies from person to person and can be estimated by assuming their age, gender, weight, and height.

How Many Calories Do I Burn a Day?

The human body doesn’t only utilize energy during physical activities but also at rest. Consuming calories deviates depending upon physical factors. In my case about 1000-2000 calories that I burn in a whole day. 

Why The Resting Metabolic Rate Is Important?

Resting metabolic rate is important because it tells about your nutritional consumption and tells how much exercise you take into account to maintain, lose, or gain weight. 

Is RMR Change With The Increase In Age?

Age is one of the influencing factors of resting metabolic rate. With the increase in age the process of breakdown of food in the body decrease. It's correct that the increase in age metabolism (amount of energy your body needs to maintain) decreases that affect RMR. 

What Is An Average RMR?

The average RMR for women is about 1400 calories/per day and for men about 1600 calories/per day. These values vary from person to person because heavier people support more body mass that's why they have higher RMR. 

What Is The Percentage of RMR In Genetics?

Almost the heritability RMR value has gone up to 40%. 


From the source Wikipedia: Resting metabolic rate, Indirect calorimetry, Use, Common correlates to metabolic rate and 24-hr energy expenditure, Work on non-human species.