calculatorsFitness

TDEE Calculator (Total Daily Energy Expenditure)

Discover exactly how many calories your body burns every day. Based on the clinically validated Mifflin-St Jeor equation, compute maintenance energy, fat loss deficits, and muscle building surplus targets.

Health calculations run 100% locally in browser memory.

TDEE & Energy Parameters

Daily Maintenance
2,363 kcal/day

The exact amount of calories you need to maintain your current body weight.

Basal Metabolic Rate (BMR)1719 kcal
Weight Loss Deficit (-500 kcal)1863 kcal
Muscle Gain Surplus (+350 kcal)2713 kcal
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How to Use TDEE Calculator

1

Input Measurements

Enter biological gender, age, weight in kilograms, and height in centimeters.

2

Select Activity Level

Choose your weekly exercise intensity from sedentary to athlete.

3

Review Calorie Targets

Get your exact BMR and daily maintenance calorie burn with cutting targets.

About TDEE Calculator

Computes Basal Metabolic Rate using BMR = 10W + 6.25H - 5A + s, then multiplies by the physical activity coefficient PAL to establish total daily energy expenditure.

Operational Limits

  • Estimates metabolic baseline; individual thyroid and hormonal genetics may vary

Key Features

  • Mifflin-St Jeor formula validated by nutritional science
  • Dynamic activity multipliers from sedentary (1.2) to extreme athletic training (1.9)
  • Instant breakdown for Basal Metabolic Rate (BMR) and TDEE
  • Calculates -500 kcal fat loss cut and +350 kcal lean bulk targets
  • 100% private and confidential local browser processing

Frequently Asked Questions

BMR is the calories burned just keeping your organs alive at complete rest, while TDEE accounts for all walking, exercise, digestion, and daily activity.