TDEE Calculator

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TDEE Calculator

Estimate total daily energy expenditure using the Mifflin-St Jeor equation for BMR and an activity multiplier.
Estimated TDEE:
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What the TDEE Calculator does

The TDEE Calculator helps you estimate your Total Daily Energy Expenditure, which is the approximate number of calories your body burns in a day. This includes calories used for basic body functions, movement, exercise, and everyday activity. If you want to understand how much energy you need to maintain your current weight, this tdee calculator is a practical starting point.

This tool uses the Mifflin-St Jeor equation to estimate your BMR (Basal Metabolic Rate), then multiplies that value by an activity factor to estimate your daily calorie needs. The result is labeled Estimated TDEE.

Because it combines both body measurements and activity level, the calculator is useful for a wide range of goals, including:

  • Weight maintenance
  • Fat loss planning
  • Muscle gain planning
  • Nutrition tracking
  • General health awareness

In simple terms, the TDEE Calculator answers the question: “How many calories do I burn in a typical day?” That makes it an essential tool for anyone who wants to manage intake more strategically instead of guessing.

How to use the TDEE Calculator

Using the TDEE Calculator is straightforward. You only need to enter a few personal details so the formula can estimate your calorie expenditure more accurately.

  1. Enter your weight in kilograms.
  2. Enter your height in centimeters.
  3. Enter your age in years.
  4. Select your sex, since the equation uses a sex-based adjustment.
  5. Choose your activity level based on your daily routine and exercise habits.

Once these inputs are entered, the calculator provides your Estimated TDEE. This number can be used as a baseline for calorie planning.

Tips for best results:

  • Use accurate weight and height measurements.
  • Choose the activity level that best reflects your average week, not just your most active days.
  • Remember that this estimate is not a diagnosis or medical measurement.
  • Recalculate after significant changes in weight, age, training volume, or lifestyle.

If you are using the calculator for weight goals, you can then compare your estimated maintenance calories with your current eating pattern. For example, eating below your TDEE may support weight loss, while eating above it may support weight gain, depending on the size of the difference and your overall plan.

How the TDEE Calculator formula works

The TDEE Calculator uses this formula:

((10 * weight_kg) + (6.25 * height_cm) – (5 * age_years) + sex) * activity_level

Here is what each part means:

  • 10 * weight_kg — Estimates how body mass contributes to energy needs.
  • 6.25 * height_cm — Accounts for the influence of height on metabolism.
  • – 5 * age_years — Adjusts for the typical decline in metabolic rate with age.
  • sex — A numeric value used to account for physiological differences in the Mifflin-St Jeor equation.
  • activity_level — Multiplies BMR by an estimate of how active you are throughout the day.

The first part of the formula calculates BMR, which is the energy your body needs at rest for essential functions like breathing, circulation, temperature regulation, and cell maintenance. The second part applies an activity multiplier to estimate the calories burned through movement and daily life.

In practice, the process works like this:

  1. Calculate your BMR using weight, height, age, and sex.
  2. Multiply that BMR by your chosen activity level.
  3. Get your final Estimated TDEE.

Why this matters: Many people underestimate or overestimate their calorie needs. Using a formula-based approach gives you a more reliable starting point than using a generic calorie number.

Use cases for the TDEE Calculator

The TDEE Calculator can be helpful in many real-world scenarios. Whether you are new to tracking calories or have been managing nutrition for years, this estimate can guide smarter decisions.

  • Weight loss: Use your Estimated TDEE to create a moderate calorie deficit.
  • Weight gain: Eat above your estimated maintenance level to support mass gain.
  • Body recomposition: Balance calories and protein intake while training consistently.
  • Athletic performance: Support training energy needs and recovery.
  • Meal planning: Build a daily calorie target that matches your lifestyle.
  • Health monitoring: Track changes in energy needs after lifestyle shifts.

For example, someone with a sedentary desk job and little exercise will likely have a lower TDEE than someone who works a physically active job and trains several times per week. That difference matters when planning meals, supplements, and fitness goals.

This calculator is also useful for coaches, nutrition-minded users, and anyone trying to develop a more consistent understanding of energy balance. Since the output is based on a recognized equation, it provides a structured way to estimate daily calorie needs without complex lab testing.

Other factors to consider when calculating Estimated TDEE

While the TDEE Calculator is a useful estimate, real-life calorie needs can be influenced by many factors beyond the basic formula. That is why your Estimated TDEE should be treated as a starting point, not an exact constant.

Important factors that can affect your true energy expenditure include:

  • Muscle mass — More lean tissue can increase energy needs.
  • Exercise intensity — High-intensity training may burn more calories than the activity multiplier suggests.
  • Daily movement — Steps, chores, and standing time can add up significantly.
  • Body composition — Two people of the same weight may have different TDEE values.
  • Sleep quality — Poor sleep may influence appetite, recovery, and energy use.
  • Stress levels — Stress can affect eating patterns and metabolic behavior.
  • Medical conditions — Some health issues or medications may alter calorie needs.

Use your result as a guide: If your weight stays stable at the estimated number of calories, your TDEE is likely close to the real value. If you gain or lose weight over time, adjust your intake accordingly and recalculate when necessary.

It is also important to choose the correct activity level. Someone who exercises three times per week but sits for most of the day should not use the same multiplier as someone with a physically demanding job and daily workouts. A more honest activity selection improves the quality of the estimate.

FAQ about the TDEE Calculator

What does TDEE mean?

TDEE stands for Total Daily Energy Expenditure. It is the total number of calories your body burns in a day, including basic functions, activity, and exercise.

How accurate is the TDEE Calculator?

The calculator provides a close estimate, but not an exact measurement. Accuracy depends on how well your inputs match your real body size, age, sex, and activity level. Use the result as a starting point and adjust based on actual changes in body weight.

Can I use the TDEE Calculator for weight loss?

Yes. Many people use their Estimated TDEE to plan a calorie deficit for weight loss. A common method is to eat slightly below maintenance while keeping protein intake, hydration, and activity in a healthy range.

Should I change my activity level if I exercise only a few times per week?

Yes, if needed. The activity level should reflect your average weekly routine. If you train a few days per week but are otherwise sedentary, choose the multiplier that best matches that pattern rather than assuming you are highly active.

How often should I recalculate my TDEE?

Recalculate whenever your weight, age, or activity pattern changes significantly. If you are actively trying to change your body composition, it can also help to revisit the calculator every few weeks to keep your calorie target aligned with your progress.

In summary, the TDEE Calculator is a simple but powerful way to estimate how many calories your body needs each day. Whether your goal is maintenance, fat loss, or muscle gain, this tdee calculator gives you a practical benchmark for making more informed nutrition decisions.

Support this tool
Buy us a coffee
If this TDEE Calculator helped you, support the site with a small donation. It keeps the tools on the site free and supports ongoing improvements.

Buy us a coffee

Secure donation via Gumroad

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Mini Cut Calorie Calculator Estimate daily calories for a short mini cut based on your maintenance calories, body weight, mini cut length, training activity, and desired aggression level. Try it → Mini Cut Calorie Calculator
Calorie Calculator for Cutting Estimate daily calorie intake for a cutting phase using body weight, height, age, sex, activity level, and desired calorie deficit. Try it → Calorie Calculator for Cutting
Calorie Deficit Calculator Estimate your daily calorie target for weight loss using age, sex, weight, height, activity level, and desired calorie deficit. Try it → Calorie Deficit Calculator
Cutting Calorie Calculator Estimate daily cutting calories by calculating maintenance calories from body weight, height, age, sex, and activity level, then applying a calorie deficit for fat loss. Try it → Cutting Calorie Calculator
Calorie Surplus Calculator Estimate your daily calorie target for weight gain by adding a calorie surplus to your maintenance calories based on body weight, activity level, and desired weekly weight gain. Try it → Calorie Surplus Calculator
Clean Bulk Calorie Calculator Estimate daily calories for a clean bulk using body weight, height, age, sex, activity level, and desired lean gain rate. Try it → Clean Bulk Calorie Calculator
Lean Bulk Calorie Calculator Estimate daily calories for a lean bulk using body weight, height, age, sex, activity level, and a small calorie surplus on top of maintenance needs. Try it → Lean Bulk Calorie Calculator
Bulking Calorie Calculator Estimate daily calories for a bulking phase using body weight, height, age, sex, activity level, and desired calorie surplus. Try it → Bulking Calorie Calculator
Calorie Calculator for Muscle Gain Estimate daily calorie needs for muscle gain using body weight, height, age, sex, activity level, and a calorie surplus. Try it → Calorie Calculator for Muscle Gain
Calorie Calculator Estimate daily calorie needs using age, sex, weight, height, and activity level based on the Mifflin-St Jeor equation. Try it → Calorie Calculator
Bodybuilding Calorie Calculator Estimate daily calories for bodybuilding based on body weight, height, age, sex, activity level, and goal. Try it → Bodybuilding Calorie Calculator
Total Daily Energy Expenditure Calculator Estimate total daily energy expenditure (TDEE) using the Mifflin-St Jeor equation for basal metabolic rate and an activity multiplier. Try it → Total Daily Energy Expenditure Calculator
Maintenance Calories Calculator Estimate your daily maintenance calories using weight, height, age, sex, and activity level based on the Mifflin-St Jeor equation multiplied by an activity factor. Try it → Maintenance Calories Calculator
Maintenance Calorie Calculator Estimate your daily maintenance calories using age, sex, weight, height, and activity level based on the Mifflin-St Jeor equation with an activity multiplier. Try it → Maintenance Calorie Calculator
Calorie Needs Calculator Estimate daily calorie needs using age, sex, weight, height, and activity level based on the Mifflin-St Jeor equation and an activity multiplier. Try it → Calorie Needs Calculator
Calorie Intake Calculator Estimate daily calorie intake based on age, sex, weight, height, and activity level using a basal metabolic rate calculation adjusted for lifestyle. Try it → Calorie Intake Calculator
Daily Calorie Calculator Estimate daily calorie needs using age, sex, weight, height, and activity level. Try it → Daily Calorie Calculator
Body Measurement Progress Calculator Calculate the percentage change in a body measurement from a starting value to a current value, with an optional target measurement to estimate progress toward your goal. Try it → Body Measurement Progress Calculator
Weight Loss Percentage Calculator Calculate the percentage of body weight lost based on starting weight and current weight. Try it → Weight Loss Percentage Calculator
Calf Size Calculator Estimate calf circumference based on height, weight, age, and sex using a practical body-size formula. Try it → Calf Size Calculator
Chest Size Calculator Estimate chest circumference based on body measurements and body composition factors. Try it → Chest Size Calculator
Arm Size Calculator Estimate upper arm circumference based on sex, height, weight, age, and training level. Try it → Arm Size Calculator
Body Proportion Calculator Estimate common body proportion ratios using height, shoulder width, waist circumference, hip circumference, and inseam length. Try it → Body Proportion Calculator
Golden Ratio Body Calculator Estimate how closely key body proportions align with the golden ratio using shoulder-to-waist, waist-to-hip, and leg-to-height relationships. Try it → Golden Ratio Body Calculator
Shoulder to Waist Ratio Calculator Calculate the shoulder-to-waist ratio using shoulder circumference and waist circumference measurements. Try it → Shoulder to Waist Ratio Calculator
Waist to Hip Ratio Calculator Calculate your waist-to-hip ratio (WHR) using waist and hip measurements. Try it → Waist to Hip Ratio Calculator
Waist to Height Ratio Calculator Calculate your waist-to-height ratio by dividing waist circumference by height. Try it → Waist to Height Ratio Calculator
Body Fat Weight Loss Calculator Estimate how much body weight you need to lose to reach a target body fat percentage while preserving lean body mass. Try it → Body Fat Weight Loss Calculator
Ideal Weight Calculator Estimate an ideal body weight using height, gender, frame size, and formula method. Try it → Ideal Weight Calculator
Target Weight at Body Fat Calculator Estimate your target body weight based on your current weight, current body fat percentage, desired body fat percentage, and expected lean mass change. Try it → Target Weight at Body Fat Calculator
Target Weight Calculator Estimate a target body weight based on height, sex, body frame, and desired BMI using a practical health-oriented formula. Try it → Target Weight Calculator
Target Body Fat Calculator Estimate your target body weight needed to reach a desired body fat percentage based on your current weight and current body fat. Try it → Target Body Fat Calculator
Natural Muscle Potential Calculator Estimate a realistic natural muscular bodyweight potential based on height, wrist size, ankle size, and body fat percentage using a frame-size adjusted formula. Try it → Natural Muscle Potential Calculator
Maximum Muscle Potential Calculator Estimate your potential lean body mass and maximum muscular body weight based on height, wrist size, ankle size, and body fat percentage using a frame-size-adjusted formula inspired by classic natural bodybuilding models. Try it → Maximum Muscle Potential Calculator
Maximum Muscular Potential Calculator Estimate maximum muscular bodyweight potential at a lean condition using wrist size, ankle size, height, and sex. Try it → Maximum Muscular Potential Calculator
Bodybuilding Ideal Weight Calculator Estimate an ideal bodybuilding body weight based on height, wrist size, body fat percentage, and sex. Try it → Bodybuilding Ideal Weight Calculator
Ideal Body Weight Calculator Estimate ideal body weight using common clinical formulas based on height, sex, and formula method. Try it → Ideal Body Weight Calculator
Body Recomposition Calculator Estimate your daily calorie target for body recomposition by combining lean body mass, activity level, training experience, and goal aggressiveness into a practical maintenance-adjusted intake. Try it → Body Recomposition Calculator
Lean Mass Calculator Estimate lean body mass using body weight and body fat percentage, with support for either kilograms or pounds. Try it → Lean Mass Calculator
Normalized FFMI Calculator Estimate normalized Fat-Free Mass Index (FFMI) by adjusting FFMI to a reference height of 1.80 m. Try it → Normalized FFMI Calculator
Fat Free Mass Index Calculator Calculate Fat Free Mass Index (FFMI) using body weight, height, and body fat percentage. Try it → Fat Free Mass Index Calculator
FFMI Calculator Calculate Fat-Free Mass Index (FFMI) using weight, height, and body fat percentage. Try it → FFMI Calculator
Muscle Mass Percentage Calculator Estimate muscle mass percentage by dividing total skeletal muscle mass by total body weight and converting the result to a percentage. Try it → Muscle Mass Percentage Calculator
Muscle Mass Calculator Estimate skeletal muscle mass using body weight, height, age, sex, and body fat percentage. Try it → Muscle Mass Calculator
Fat Mass Calculator Estimate total fat mass in the body using body weight and body fat percentage. Try it → Fat Mass Calculator
Seven Site Skinfold Calculator Estimate body density and body fat percentage from seven skinfold measurements using the Jackson-Pollock 7-site method and Siri equation. Try it → Seven Site Skinfold Calculator
BMI Calculator Calculate Body Mass Index (BMI) using weight and height, with support for metric and imperial units. Try it → BMI Calculator
Three Site Skinfold Calculator Estimate body fat percentage using the Jackson-Pollock 3-site skinfold method with age and sex-specific formulas. Try it → Three Site Skinfold Calculator
Skinfold Body Fat Calculator Estimate body fat percentage using the 3-site Jackson-Pollock skinfold method with age and sex. Try it → Skinfold Body Fat Calculator
Navy Body Fat Calculator Estimate body fat percentage using the U.S. Try it → Navy Body Fat Calculator
Army Body Fat Calculator Estimate body fat percentage using the U.S. Try it → Army Body Fat Calculator
Body Fat Percentage Calculator Estimate body fat percentage using the U.S. Try it → Body Fat Percentage Calculator
Body Fat Calculator Estimate body fat percentage using the U.S. Try it → Body Fat Calculator
Body Mass Index Calculator Calculate body mass index (BMI) using weight and height, with support for metric and imperial units. Try it → Body Mass Index Calculator
Powerlifting Weight Class Calculator Estimate the applicable powerlifting weight class based on body weight, federation style, division, and weigh-in policy. Try it → Powerlifting Weight Class Calculator
Wilks Score Calculator Calculate a Wilks score from bodyweight, total lifted, sex, and unit system using the classic Wilks coefficient formula. Try it → Wilks Score Calculator
Bench Squat Deadlift Total Calculator Calculate your powerlifting total by adding your best bench press, squat, and deadlift lifts, with an optional unit conversion factor for kilograms or pounds. Try it → Bench Squat Deadlift Total Calculator
Big Three Total Calculator Calculate your Big Three total by adding the degree positions of your Sun, Moon, and Rising signs. Try it → Big Three Total Calculator
Powerlifting Total Calculator Calculate your powerlifting total by adding your best squat, bench press, and deadlift attempts, with optional unit conversion from pounds to kilograms. Try it → Powerlifting Total Calculator
IPF Points Calculator Calculate IPF GL points for a powerlifting total based on sex, equipment, bodyweight, and total lifted. Try it → IPF Points Calculator
DOTS Score Calculator Calculate a DOTS powerlifting score using lifter bodyweight, total lifted, sex, and equipment category. Try it → DOTS Score Calculator
DOTS Calculator Estimate the total cost of a DOTS package based on the number of doses, treatment duration, supervision level, and medication cost per dose. Try it → DOTS Calculator
Weighted Dip Calculator Estimate the total weighted dip training load by combining added weight, bodyweight contribution, reps, and sets. Try it → Weighted Dip Calculator
Overhead Press Max Calculator Estimate your one-rep max for the overhead press using the weight lifted, repetitions completed, lifting unit, and training experience. Try it → Overhead Press Max Calculator
Weighted Pull Up Calculator Calculate total system weight and relative pulling load for weighted pull-ups using body weight, added weight, reps, and unit selection. Try it → Weighted Pull Up Calculator
Pull Up One Rep Max Calculator Estimate your weighted pull-up one rep max using bodyweight, added weight, and the maximum reps completed. Try it → Pull Up One Rep Max Calculator
Barbell Row Max Calculator Estimate your one-rep max for the barbell row using the weight lifted, repetitions completed, training experience, and exercise form strictness. Try it → Barbell Row Max Calculator
Hip Thrust Max Calculator Estimate your one-rep max for the hip thrust using the weight lifted, repetitions completed, bodyweight contribution, and training experience. Try it → Hip Thrust Max Calculator
Leg Press Max Calculator Estimate your one-rep max (1RM) on the leg press using the weight lifted, repetitions completed, leg press machine type, training experience, and effort level. Try it → Leg Press Max Calculator
Military Press Max Calculator Estimate your one-rep max for the military press using the weight lifted, repetitions completed, lift style, training experience, and fatigue level. Try it → Military Press Max Calculator
Shoulder Press Max Calculator Estimate your one-rep max for the shoulder press using the weight lifted, reps completed, training experience, and movement variation. Try it → Shoulder Press Max Calculator
Overhead Press 1RM Calculator Estimate your one-rep max for the overhead press using the weight lifted and repetitions completed. Try it → Overhead Press 1RM Calculator
Romanian Deadlift Max Calculator Estimate your one-rep max for the Romanian deadlift using the weight lifted, reps completed, lift tempo quality, and training experience. Try it → Romanian Deadlift Max Calculator
Deadlift Max Calculator Estimate your one-rep max deadlift using the weight lifted, reps completed, body weight, lifting experience, and deadlift style. Try it → Deadlift Max Calculator
Deadlift Volume Calculator Calculate total deadlift training volume based on weight lifted, reps per set, number of sets, and workout intensity. Try it → Deadlift Volume Calculator
Deadlift Bodyweight Ratio Calculator Calculate your deadlift-to-bodyweight ratio using your body weight, deadlift weight, unit system, lift type, and training experience. Try it → Deadlift Bodyweight Ratio Calculator
Deadlift Strength Calculator Estimate your one-rep max deadlift using weight lifted, reps performed, body weight, and training experience, with a small experience adjustment and bodyweight normalization factor. Try it → Deadlift Strength Calculator
Deadlift Training Max Calculator Estimate your deadlift training max using a recent lifted weight, reps completed, and a chosen training max percentage. Try it → Deadlift Training Max Calculator
Deadlift Percentage Calculator Calculate a deadlift training weight based on your one-rep max, chosen training percentage, reps, and training experience. Try it → Deadlift Percentage Calculator
Deadlift 1RM Calculator Estimate your one-rep max for the deadlift using lifted weight, completed reps, bodyweight, experience level, and training style. Try it → Deadlift 1RM Calculator
Deadlift One Rep Max Calculator Estimate your deadlift one-rep max based on the weight lifted, repetitions completed, training experience, and lift style. Try it → Deadlift One Rep Max Calculator
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