BMR & TDEE Calculator
Professional Metabolic Analysis for Diet & Fitness Planning
Calculate Your Metabolic Rate
What is Basal Metabolic Rate (BMR)?
Your Basal Metabolic Rate represents the minimum calories required for vital functions at rest. Our calculator uses the Mifflin-St Jeor Equation - the gold standard for BMR calculation - considering:
- ✅ Biological sex differences
- ✅ Age-related metabolic changes
- ✅ Body composition factors
How To Use This Calculator
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Enter Biometric Data
- Select biological sex
- Input age (1-120 years)
- Provide weight and height
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Select Physical Activity
5-tier system from sedentary to athlete level (Multipliers 1.2-1.9)
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Get Your Metabolic Report
- 🧮 BMR: Resting calorie needs
- 🔥 TDEE: Active calorie requirements
Interpreting Your Results
- Weight Loss: Consume 10-15% below TDEE
- Muscle Gain: Consume 10-15% above TDEE
- Maintenance: Match TDEE intake
Scientific Validity & Security
- 🔒 Data Privacy: Zero data storage
- 📊 Medical Accuracy: ADA-approved formula
- ⚠️ Disclaimer: Consult dietitian for special conditions
Note: Recommended for adults 18-80. Combine with body fat measurements for optimal results. Not suitable for pregnant women or competitive athletes.
Practical Applications
Common Use Cases:
• Fitness enthusiast meal planning
• Weight management programs
• Nutritionist client assessments
• Health coach consultations