TDEE Calculator – Calculate Your Total Daily Energy Expenditure

🧮 TDEE Calculator – Total Daily Energy Expenditure

🏃 Calculate your BMR · Maintenance calories · Activity-adjusted energy needs

Based on Mifflin‑St Jeor equation · Clinically validated

📋

TDEE (Total Daily Energy Expenditure) is the total number of calories your body burns in a day, including all activities. This calculator estimates your BMR (Basal Metabolic Rate) and multiplies it by your activity level to give you your personalised TDEE — your maintenance calorie target. Always consult a healthcare professional before making significant dietary changes.

🎂 Age (years)

Age affects metabolism. The Mifflin‑St Jeor equation accounts for age.

• 18–120 years

⚠️ Please enter a valid age (18–120).

⚥ Gender

Men and women have different basal metabolic rates.

Female Male

⚠️ Please select your gender.

📏 Unit System

Choose your preferred measurement system.

📐 Height

Height is used to calculate your basal metabolic rate.

centimeters

⚠️ Please enter a valid height.

⚖️ Current Weight

Your current body weight.

kilograms

⚠️ Please enter a valid weight.

🏃 Activity Level

Your daily physical activity level affects your total energy expenditure.

⚠️ Please select your activity level.

— cal/day

⚡ Your TDEE

Your Total Daily Energy Expenditure — the calories you burn each day.

🏋️ BMR: — 📊 Activity multiplier: — 🔥 TDEE = BMR × Activity

Total Daily Energy Expenditure

—

calories per day

Basal Metabolic Rate (BMR)
—
calories at rest

Activity Multiplier

—

Moderately active

BMI

—

Weight Status

—

based on BMI

Daily Energy Need

—

to maintain weight

💡 What is TDEE & Why It Matters

🟢 TDEE is the total calories you burn daily — including BMR, digestion, and physical activity.
🥗 Maintenance: Eat at TDEE to maintain your current weight.
🔥 Weight loss: Eat 10–20% below TDEE (safe deficit of 300–700 cal/day).
💪 Muscle gain: Eat 10–15% above TDEE with strength training.
📋 TDEE changes with age, weight, and activity — recalculate regularly.

🛡️ Educational tool only. Based on the Mifflin‑St Jeor equation. Does not replace professional medical advice, diagnosis, or treatment. Always consult a healthcare professional for personalised guidance.

🔗 You might also like: Free Weight Loss Calculator Body Fat Percentage Calculator Macro Calculator

📖 Understanding TDEE: Your Total Daily Energy Expenditure

Learn how the TDEE Calculator helps you understand your daily calorie needs, the difference between BMR and TDEE, and how to use this information to reach your health goals.

🌟 1. What Is TDEE?

TDEE stands for Total Daily Energy Expenditure. It’s the total number of calories your body burns in a 24‑hour period. This includes all the energy you use for:

Basal metabolism (BMR) — breathing, heartbeat, cell repair, and other vital functions.
Physical activity — exercise, walking, and daily movement.
Thermic effect of food (TEF) — digestion and absorption of nutrients.
Non-exercise activity thermogenesis (NEAT) — fidgeting, standing, and other small movements.

                            🎯 Your TDEE is your “maintenance” calorie number. Eat this many calories each day to keep your weight stable. Eat less to lose weight, and eat more to gain weight.
                        

Our free TDEE calculator uses the Mifflin‑St Jeor equation — one of the most accurate formulas for estimating BMR — and then multiplies it by your activity level to give you your personalised TDEE.

🧬 2. BMR vs. TDEE: What’s the Difference?

BMR (Basal Metabolic Rate) is the number of calories your body would burn if you stayed in bed all day doing absolutely nothing. It’s the energy required to keep your heart beating, lungs breathing, and organs functioning.

TDEE is BMR plus all the calories you burn through movement, exercise, and digestion. In other words:

TDEE = BMR × Activity Multiplier

Your activity multiplier ranges from 1.2 (sedentary) to 1.9 (extra active).

Knowing both your BMR and TDEE gives you a complete picture of your daily energy needs. The TDEE calculator provides both numbers so you can make informed decisions about your nutrition.

🧮 3. How the TDEE Calculator Works

Our online TDEE calculator follows a simple, evidence‑based process:

Step 1: Estimate your BMR using the Mifflin‑St Jeor equation:

Men: BMR = 10 × weight (kg) + 6.25 × height (cm) – 5 × age (years) + 5
Women: BMR = 10 × weight (kg) + 6.25 × height (cm) – 5 × age (years) – 161

Step 2: Multiply your BMR by your activity level factor (1.2–1.9).
Step 3: The result is your TDEE — the calories you burn each day.

All calculations are done in your browser. No data is stored or shared. The total daily energy expenditure calculator is completely private and free to use.

🏃 4. Understanding Activity Levels

Your activity level is a crucial factor in determining your TDEE. Here’s what each level means:

Sedentary (1.2): Little or no exercise, desk job, mostly sitting.
Lightly active (1.375): Light exercise or sports 1–3 days per week.
Moderately active (1.55): Moderate exercise or sports 3–5 days per week.
Very active (1.725): Hard exercise or sports 6–7 days per week.
Extra active (1.9): Very hard exercise, athletic training, or physical job.

Be honest about your activity level when using the TDEE calculator. Overestimating your activity can lead to inaccurate results and stalled progress.

🎯 5. How to Use Your TDEE

Once you know your TDEE, you can use it to achieve your health goals:

⚖️

Maintain Weight

Eat approximately at your TDEE to keep your current weight stable.

🔥

Lose Weight

Create a deficit of 300–700 calories below your TDEE for safe, sustainable weight loss.

💪

Gain Muscle

Add a surplus of 200–500 calories above your TDEE with strength training.

📊

Track Progress

Use your TDEE as a baseline to adjust your intake based on real results.

Remember, the TDEE calculator provides an estimate. Your actual needs may vary based on your unique metabolism and genetics. Use it as a starting point and adjust as needed.

🔄 6. Factors That Affect TDEE

Your TDEE is not static. It changes based on several factors:

Age: TDEE tends to decrease with age due to muscle loss and hormonal changes.
Gender: Men generally have a higher TDEE than women due to greater muscle mass.
Body composition: More muscle = higher TDEE.
Activity level: More movement = higher TDEE.
Weight: Heavier individuals have a higher TDEE because more energy is required to move a larger body.
Hormones: Thyroid function and other hormonal factors can influence metabolism.
Environment: Extreme temperatures can slightly increase calorie burn.

                            💡 Tip: Recalculate your TDEE whenever your weight changes by more than 5 kg (10 lbs) or when your activity level changes significantly.
                        

📆 7. When to Recalculate Your TDEE

Because TDEE changes over time, it’s important to recalculate periodically. Here are some guidelines:

Every 5 kg (10 lbs) of weight loss or gain — your TDEE will change as your body size changes.
When you change your activity level — starting a new workout routine or becoming more sedentary.
Every 3–6 months — even if nothing else changes, your metabolism can shift over time.
If you’re not seeing results — your actual TDEE may differ from the estimate.

The total daily energy expenditure calculator is a tool to guide you, not a rigid rule. Listen to your body, track your progress, and adjust as needed.

🔍 Related Searches & Keywords:

🧮 TDEE Calculator Total Daily Energy Expenditure BMR Calculator Maintenance Calories Calorie Calculator Activity Level Mifflin‑St Jeor Weight Management Fitness Goals Energy Expenditure Metabolic Rate

❓ Frequently Asked Questions About TDEE

TDEE (Total Daily Energy Expenditure) is the total number of calories you burn each day. It’s important because it tells you how many calories you need to eat to maintain, lose, or gain weight. Our TDEE calculator gives you this number based on your personal stats.

The TDEE calculator uses the Mifflin‑St Jeor equation, which is one of the most accurate BMR formulas available. However, it’s still an estimate. Your actual TDEE may vary based on factors like genetics, body composition, and hormone levels. Use it as a starting point and adjust based on your real‑world results.

BMR (Basal Metabolic Rate) is the calories you’d burn if you stayed in bed all day. TDEE includes BMR plus all the calories you burn through movement, exercise, and digestion. TDEE is always higher than BMR. The total daily energy expenditure calculator shows you both numbers.

To lose weight, eat 300–700 calories below your TDEE each day. This creates a calorie deficit of 2,100–4,900 calories per week, which leads to a safe, sustainable weight loss of 0.5–1 kg per week. Never go below your BMR without medical supervision.

Recalculate your TDEE every 5 kg (10 lbs) of weight change, when your activity level changes, or every 3–6 months. As your body changes, so does your TDEE. The free TDEE calculator makes it easy to stay up‑to‑date.

Yes! To build muscle, eat 200–500 calories above your TDEE and combine it with strength training. The online TDEE calculator gives you your baseline, and you can add a surplus on top. Just make sure to prioritise protein and resistance training.