Resting Metabolic Rate (RMR) Calculator

Calculate your RMR to understand how many calories your body burns at rest.

Calculator

Enter Your Information

Enter your weight in kilograms.

Enter your height in centimeters.

Enter your age in years.

Table of Contents

1 RMR Formula
2 How to Calculate RMR
3 Factors Affecting RMR
4 Importance of RMR
Concept

RMR Formula

Resting Metabolic Rate (RMR) is calculated using the Harris-Benedict equation, which takes into account your weight, height, age, and gender.

Formula:
For men: RMR = 88.362 + (13.397 × weight) + (4.799 × height) - (5.677 × age)
For women: RMR = 447.593 + (9.247 × weight) + (3.098 × height) - (4.330 × age)
Steps

How to Calculate RMR

To calculate your RMR, follow these steps:

  1. 1
    Measure your weight in kilograms
  2. 2
    Measure your height in centimeters
  3. 3
    Note your age in years
  4. 4
    Select your gender
  5. 5
    Use the appropriate formula based on your gender
Factors

Factors Affecting RMR

Several factors can influence your RMR:

  • Body composition (muscle mass vs. fat mass)
  • Age (RMR typically decreases with age)
  • Gender (men typically have higher RMR)
  • Hormonal factors
Important

Importance of RMR

Understanding your RMR is crucial for:

  • Weight management and diet planning
  • Understanding your body's energy needs
  • Setting appropriate calorie goals
  • Monitoring metabolic health
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