BMR Calculator
Free BMR Calculator — Calculate Your Basal Metabolic Rate Instantly
Want to quickly calculate your BMR to know how many calories your body burns at rest? Our free BMR Calculator uses the Mifflin-St Jeor formula for accurate results and works on any device.
How to Use the BMR Calculator
- Enter your weight in kilograms.
- Enter your height in centimeters.
- Enter your age in years.
- Select your gender.
- Click Calculate to see your daily caloric needs.
- Use Clear to reset the form.
Formulas Used
- Men: BMR = 10 × weight(kg) + 6.25 × height(cm) − 5 × age + 5
- Women: BMR = 10 × weight(kg) + 6.25 × height(cm) − 5 × age − 161
Formula source: Mifflin-St Jeor Equation
Why Use This BMR Calculator?
- ⚡ Quick and accurate BMR calculation.
- 📱 Fully responsive on mobile and desktop.
- 🎓 Ideal for diet planning, fitness tracking, or medical purposes.
FAQ — BMR Calculator
1. What is BMR?
BMR (Basal Metabolic Rate) is the number of calories your body needs to maintain basic physiological functions at rest.
2. Which formula does this calculator use?
It uses the Mifflin-St Jeor Equation, one of the most accurate BMR formulas. Men: 10 × weight(kg) + 6.25 × height(cm) − 5 × age + 5. Women: 10 × weight(kg) + 6.25 × height(cm) − 5 × age − 161.
3. Do I need to enter all fields?
Yes, you need to enter weight, height, age, and gender for an accurate calculation.
4. Can I use this calculator on mobile?
Yes, it’s fully responsive and works on any smartphone or tablet.
5. Is this calculator free?
Yes, it’s completely free and does not require registration or downloads.