BMR Calculator
Use our free BMR Calculator to accurately calculate your metabolism metrics. Instant results, clinical formulas, and 100% privacy.
Basal Metabolic Rate (BMR) Calculator
Calculate your baseline energy expenditure using the Mifflin-St Jeor formula — the most accurate predictor for modern lifestyles.
Quick Profiles:
BMR is the number of calories your body burns to perform basic, life-sustaining functions at rest.
YOUR ESTIMATED BMR
1,731
kcal / day
Mifflin-St Jeor
1,731 kcal
Harris-Benedict
1,765 kcal
Calories Needed by Activity Level (TDEE)
| Activity Level | Multiplier | Daily Calories |
|---|
How to Use BMR Calculator in 3 Easy Steps
1
Step 1
Enter your age, gender, and physical measurements into the labeled fields.
2
Step 2
Choose your activity level or specific goal if required.
3
Step 3
View your results instantly in the premium health summary panel.
Frequently Asked Questions
Yes, all our health utilities are 100% free with no registration required.
Our engine uses industry-standard clinical equations. However, these results are for informational purposes and are not medical advice.
Absolutely. We do not store any of your personal health inputs or results.