About this tool
BMR Calculator estimates your daily calorie needs using the Mifflin-St Jeor Equation for accurate weight management planning.
Calculate maintenance calories, weight loss targets, and weight gain goals with activity level adjustments.
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) to understand your daily calorie needs
Calculate Your BMR
Enter your details to calculate your daily calorie needs
Enter Your Details
Fill in the form to calculate your BMR
About BMR (Basal Metabolic Rate)
BMR is the number of calories your body needs to maintain basic physiological functions like breathing, circulation, and cell production while at rest. It represents about 60-70% of your total daily energy expenditure.
Factors that affect BMR:
- • Age (decreases with age)
- • Gender (men typically have higher BMR)
- • Body composition (muscle burns more calories)
- • Genetics
- • Thyroid function
This calculator uses:
- • Mifflin-St Jeor Equation
- • Most accurate for adults
- • Accounts for activity level
- • Provides weight management targets
Frequently Asked Questions
What is BMR?
Basal Metabolic Rate is the number of calories your body needs at rest to maintain basic functions like breathing and circulation.
How accurate is the calculation?
The Mifflin-St Jeor Equation is one of the most accurate BMR formulas, but individual results may vary based on genetics and body composition.
Should I use this for medical purposes?
This is for general fitness planning only. Consult healthcare professionals for medical weight management advice.
What's the difference between BMR and maintenance calories?
BMR is calories at rest. Maintenance calories include your activity level and represent total daily energy expenditure.
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