What is TDEE and why does it matter?

TDEE (Total Daily Energy Expenditure) is the total calories your body burns in 24 hours including rest, digestion, movement, and exercise. It is your maintenance calorie level.

How many calories should I eat to lose weight?

Eat 300-500 fewer calories than your TDEE for approximately 0.5-1 lb of fat loss per week while preserving muscle.

TDEE Calculator: How to Calculate Your Total Daily Energy Expenditure

Q: How is TDEE different from BMR?

BMR is calories burned at complete rest. TDEE includes BMR plus all physical activity and digestion, typically 1.2x to 1.9x your BMR.

TDEE calculator visualization showing calorie burn components BMR NEAT TEF and exercise activity thermogenesis

60–75%

of total calories burned by BMR alone

4 Components

BMR + TEF + NEAT + EAT = TDEE

300–500

cal/day deficit for safe fat loss

Every diet, every meal plan, every fitness transformation starts from the same number: how many calories your body actually burns every day. That number is your TDEE — Total Daily Energy Expenditure. It is the single most important calorie figure in nutrition, and most people have never calculated it correctly using a proper TDEE calculator.

This article explains exactly what TDEE is, how to calculate it, what the activity multipliers mean, and how to use it for your goal. Use CalcPro's free TDEE Calculator to get your personal number in two minutes.

🔬 What Is TDEE?

TDEE stands for Total Daily Energy Expenditure — the total calories your body burns in 24 hours. According to the NIH Body Weight Planner, understanding your TDEE is the foundation of evidence-based nutrition.

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BMR (60–75%)

Basal Metabolic Rate

Calories at complete rest: breathing, circulation, organ function.

🍽️

TEF (~10%)

Thermic Effect of Food

Energy to digest. Protein ~25%, Carbs ~7%, Fat ~3%.

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NEAT (varies)

Non-Exercise Activity

Walking, standing, fidgeting. 200–1,000+ cal/day.

🏋️

EAT (varies)

Exercise Activity

Gym, running, sports. Highly variable.

🧮 How to Calculate TDEE

📝

Mifflin-St Jeor Formula (Most Accurate)

Men: BMR = (10 x weight kg) + (6.25 x height cm) - (5 x age) + 5
Women: BMR = (10 x weight kg) + (6.25 x height cm) - (5 x age) - 161

Activity Level	Description	Multiplier
Sedentary	Desk job, no exercise	x 1.2
Lightly Active	1-3 days/week	x 1.375
Moderately Active	3-5 days/week	x 1.55
Very Active	6-7 days/week	x 1.725
Extremely Active	Physical job + training	x 1.9

35yo woman, 68kg, 165cm

BMR = 1,375

Moderately Active (x1.55)

TDEE = 2,131

The TDEE Calculator handles this automatically and outputs macro targets too.

⚖️ Which Activity Level Should You Choose?

⚠️

When In Doubt, Pick One Level Lower

Most people overestimate their activity level, inflating TDEE and stalling fat loss. "Moderately Active" requires 3-5 solid workouts/week plus an active daily routine.

🎯 How to Use TDEE for Your Goal

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Fat Loss

Moderate:-300 to -500 cal/day (0.5-1 lb/wk)

Aggressive:-500 to -750 cal/day (1-1.5 lb/wk)

Never below 1,200 cal (women) / 1,500 cal (men)

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Muscle Gain

Lean bulk:+200 to +300 cal/day

Standard:+300 to +500 cal/day

📉 Why Your TDEE Changes Over Time

🔄 Key Shifts

Weight loss reduces TDEE - less mass = lower BMR. Common stall reason.
Muscle gain raises TDEE - muscle burns more at rest.
Metabolic adaptation - prolonged restriction lowers TDEE beyond weight alone.
Recalculate every 4-6 weeks or after 5-10 lb changes.

🥩🍚🥑 TDEE + Macros: The Complete Picture

Use CalcPro's Macro Calculator for precise gram targets. Check your baseline with the Body Fat Calculator and BMI Calculator. For daily calorie needs see the Calorie Calculator.

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Calculate Your TDEE Now

Input your stats and get maintenance calories + macro targets in 2 minutes.

Open TDEE Calculator

Frequently Asked Questions

What is TDEE?

TDEE (Total Daily Energy Expenditure) is the total calories burned in 24 hours including rest, digestion, movement, and exercise. It is your maintenance level.

How is TDEE different from BMR?

BMR is calories at complete rest. TDEE adds activity on top (1.2x to 1.9x BMR).

How many calories to lose weight?

Eat 300-500 fewer calories than your TDEE for 0.5-1 lb/week fat loss.

How often should I recalculate TDEE?

Every 4-6 weeks or after 5-10 lb weight changes.