[MIFFLIN-ST JEOR PHYSIOLOGY ENGINE]

TDEE & BMR Calculator - Total Daily Energy Expenditure & Calorie Needs

Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) with Mifflin-St Jeor equation. Private, accurate, and instant.

📂 Drop health profile JSON file here (100% local, FileReader parsed)
Basal Metabolic Rate (BMR)
1,663
kcal / day
Maintenance Calories (TDEE)
2,287
kcal / day
Weight Loss (-500 kcal)
1,787
kcal / day
Muscle Gain (+300 kcal)
2,587
kcal / day

About TDEE & BMR Calculator - Total Daily Energy Expenditure & Calorie Needs

Scientific, 100% client-side calculator for tdee calculator. Calculations execute strictly inside your browser sandbox with zero telemetry or network calls.

Supported Health & Fitness Queries

  • +tdee calculator
  • +bmr calculator
  • +total daily energy expenditure
  • +maintenance calories
  • +calculate calorie deficit
  • +tdee formula mifflin
  • +daily calorie intake calculator
  • +weight loss calorie calculator

Architecture & Privacy Guarantees

100% Private & Client-Side Sandbox

Your personal health metrics (weight, age, body dimensions) never leave your device. Complete medical confidentiality guaranteed.

Zero Latency & Science-Backed Formulas

Uses validated physiological equations (Mifflin-St Jeor, US Navy, Epley & Brzycki) rendered in sub-millisecond execution.

[+] Developer Tools Index

6 All Tools