BMR Calculator
Input parameters
Configure requirements with tools
How to Use This BMR Calculator
Step-by-Step Instructions
- Enter your BMR Calculator values in the input fields above
- Select the appropriate calculation options
- Click the Calculate button
- View your instant results below
Quick Tips
- All inputs are validated in real-time
- Results update instantly without page reload
- Use the copy button to save your results
- Bookmark your favorite tools for quick access
Instructions terms
What is BMR?
Basal Metabolic Rate (BMR) is the number of calories your body burns at rest to maintain basic life functions.
How to Use This Calculator
Enter your age, gender, weight, and height. The calculator uses the Mifflin-St Jeor Equation to estimate your daily calorie needs at rest.
Mifflin-St Jeor Formula
- Men: BMR = 10 × weight(kg) + 6.25 × height(cm) - 5 × age + 5
- Women: BMR = 10 × weight(kg) + 6.25 × height(cm) - 5 × age - 161
Why BMR Matters
Knowing your BMR helps you understand your baseline calorie needs.
FAQ
Does BMR vary with age?
Yes, it generally decreases with age.