Which equation is better?
Mifflin-St Jeor is generally considered more accurate for most adults, but both give a useful baseline.
Falcon Fight Tools
BMR Calculator
Estimate basal metabolic rate using the Harris-Benedict or Mifflin-St Jeor equation.
Active
Calculator
Enter your values to generate an instant result.
BMR (kcal/day): 1543
Use case
Why this tool matters
Use this when training or event logistics need a fast, visible utility that can support the wider operation.
Mini walkthrough
- 01Enter age, weight, height, and sex.
- 02Choose between Harris-Benedict and Mifflin-St Jeor.
- 03Use the result as the starting point for your TDEE calculation.
How to use
Enter age, weight, height, and sex.
Choose between Harris-Benedict and Mifflin-St Jeor.
Use the result as the starting point for your TDEE calculation.
Training examples
Establish resting calorie needs before a cut
Baseline metabolic check for new athletes
Media and preview
Screenshots
Responsive timer surfaces designed for phone, tablet, and large event displays.
Video walkthrough
See this tool in action during a real training session or event day setup.
FAQ
Should I eat my BMR?
No. BMR is your resting need. Multiply by an activity factor or use a TDEE tool for real daily targets.
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