ToolHub

BMR & TDEE Calculator

Disclaimer: Estimates are informational only and not medical advice. Metabolism varies based on health, hormones, and activity patterns.

Estimate BMR, TDEE, adjusted calories, and macronutrient targets for maintenance, fat loss, or muscle gain.

Use Cases

  • • Estimate resting metabolic rate (BMR)
  • • Plan maintenance and target calories
  • • Build macro targets for diet planning
  • • Compare Mifflin and Harris formulas
  • • Track BMR/TDEE history over time

Formulas Used

  • • Mifflin-St Jeor Equation
  • • Harris-Benedict Equation
  • • TDEE = BMR × Activity Factor
  • • Macro split: 30% protein, 40% carbs, 30% fats

Enter Your Details

Maintain Weight (0 kcal/day)