Calculate Your Daily Calories
Estimate your Total Daily Energy Expenditure (TDEE), BMR, maintenance calories, weight loss calorie targets, and muscle gain calories based on your body measurements and activity level.
⚡ Your TDEE
– Estimated calories per day to maintain your current weight at your selected activity level.
🥗 Your BMR
– Estimated calories your body uses at rest for basic functions such as breathing and circulation.
🔥 Weight Loss Target
– Estimated daily calories based on a moderate 500-calorie deficit from your TDEE.
💪 Muscle Gain Target
– Estimated daily calories based on a 300-calorie surplus above your TDEE.
Calorie Deficit Targets
These estimates show different calorie-deficit levels based on your calculated TDEE. Individual calorie needs and appropriate weight-loss rates vary.
What Is a TDEE Calculator?
A TDEE Calculator estimates the total number of calories your body may use each day based on factors such as your age, gender, height, weight, and activity level. TDEE stands for Total Daily Energy Expenditure and represents your estimated daily energy needs.
Our free TDEE Calculator helps you estimate your TDEE, Basal Metabolic Rate (BMR), maintenance calories, calorie deficit targets for weight loss, and a calorie surplus target for muscle gain.
This free online TDEE Calculator supports both metric units, including kilograms and centimeters, and imperial units, including pounds, feet, and inches. This makes it easy to calculate your daily calorie needs using the measurement system you prefer.
Whether your goal is to maintain your current weight, understand your calorie needs, lose weight, or support muscle gain, calculating your TDEE can provide a useful starting point for nutrition and fitness planning.
What Does TDEE Mean?
TDEE stands for Total Daily Energy Expenditure. It is an estimate of the total amount of energy, measured in calories, that your body uses throughout a typical day.
Your daily energy expenditure includes energy used for:
- Basic body functions such as breathing and circulation
- Physical activity and exercise
- Walking and general daily movement
- Digesting and processing food
- Work and lifestyle activities
Your TDEE can vary depending on your body characteristics and how physically active you are. It may also change over time if your weight, activity level, or other relevant factors change.
How to Use the TDEE Calculator
Using the calculator is simple:
- Select Metric or Imperial units.
- Select your gender.
- Enter your age.
- Enter your weight in kilograms or pounds.
- Enter your height in centimeters or feet and inches.
- Select the activity level that most closely represents your typical lifestyle.
- Click Calculate TDEE.
The calculator will display your estimated TDEE and BMR, along with calorie targets for maintenance, weight loss, and muscle gain.
How Does the TDEE Calculator Work?
Our calculator uses a two-step process to estimate your Total Daily Energy Expenditure.
First, it estimates your Basal Metabolic Rate (BMR) using the Mifflin-St Jeor equation. Your BMR represents an estimate of the energy your body uses at rest to support essential physiological functions.
Next, your estimated BMR is multiplied by an activity factor based on the activity level you select.
The basic calculation is:
TDEE = BMR × Activity Factor
The resulting TDEE represents an estimate of the number of calories your body may use per day at your selected activity level.
Mifflin-St Jeor Equation for BMR
The calculator uses the Mifflin-St Jeor equation to estimate Basal Metabolic Rate.
BMR Formula for Men
BMR = (10 × weight in kg) + (6.25 × height in cm) − (5 × age) + 5
BMR Formula for Women
BMR = (10 × weight in kg) + (6.25 × height in cm) − (5 × age) − 161
If you enter your measurements using pounds, feet, and inches, the calculator automatically converts those measurements before performing the calculation.
After calculating BMR, the result is multiplied by your selected activity factor to estimate TDEE.
BMR and TDEE Calculator: What Is the Difference?
A BMR and TDEE Calculator provides two related but different estimates.
BMR, or Basal Metabolic Rate, estimates the calories your body uses at rest to support essential functions such as breathing, circulation, and normal organ function.
TDEE, or Total Daily Energy Expenditure, takes your estimated BMR and adjusts it according to your activity level.
In simple terms:
BMR = Estimated energy used at rest
TDEE = Estimated total daily energy use after accounting for activity
This is why your estimated TDEE is generally higher than your estimated BMR.
Understanding TDEE Activity Levels
Your selected activity level can have a significant effect on your estimated TDEE. The calculator provides several activity options.
Sedentary
This category generally represents people who perform little or no structured exercise and have relatively low levels of physical activity.
Lightly Active
This category may be appropriate for people who perform light exercise approximately one to three days per week.
Moderately Active
This category generally represents moderate exercise approximately three to five days per week.
Very Active
This category may be suitable for people who perform hard exercise approximately six to seven days per week.
Extra Active
This category is intended for very high activity levels, such as frequent intense exercise combined with a physically demanding lifestyle or occupation.
Choosing an activity level that does not reflect your actual routine can cause the estimated TDEE to be higher or lower than your real energy expenditure.
TDEE Calculator for Weight Loss
A TDEE Calculator for weight loss can help you estimate your maintenance calories before considering a calorie deficit.
If average calorie intake is lower than energy expenditure over time, body weight may decrease. However, actual weight change is influenced by multiple factors and does not always follow a perfectly predictable pattern.
Our calculator provides three mathematical calorie-deficit estimates:
- Small deficit: TDEE minus 250 calories per day
- Moderate deficit: TDEE minus 500 calories per day
- Larger deficit: TDEE minus 750 calories per day
These values are provided as mathematical estimates based on your calculated TDEE. They are not personalized dietary recommendations, and a particular calorie deficit is not appropriate for everyone.
If you are using a TDEE Calculator to lose weight, consider your individual nutritional requirements, activity, body composition, health circumstances, and goals rather than relying only on a calculated number.
TDEE Calculator and Calorie Deficit
A TDEE Calculator calorie deficit estimate starts with your calculated maintenance calories.
For example, if your estimated TDEE is 2,500 calories per day:
- A 250-calorie mathematical deficit would equal 2,250 calories per day.
- A 500-calorie mathematical deficit would equal 2,000 calories per day.
- A 750-calorie mathematical deficit would equal 1,750 calories per day.
The calculator performs these calculations automatically after estimating your TDEE.
It is important to understand that TDEE itself is an estimate. Therefore, calorie-deficit targets calculated from TDEE are also estimates. Individual energy needs and responses to changes in calorie intake can vary.
Free TDEE Calculator for Weight Loss
Our free TDEE Calculator for weight loss allows you to estimate maintenance calories and compare different mathematical calorie-deficit levels without registration.
The calculator can be used as a starting point for understanding the relationship between estimated energy expenditure and calorie intake.
However, it should not be considered a substitute for personalized nutrition or medical advice. People with specific health conditions, nutritional requirements, or concerns about weight management should seek guidance from an appropriately qualified healthcare or nutrition professional.
TDEE Calculator for Women
The TDEE Calculator for women uses the female version of the Mifflin-St Jeor equation when Female is selected as the gender.
The equation estimates BMR using age, weight, and height. The estimated BMR is then multiplied by the selected activity factor to calculate TDEE.
A free TDEE Calculator for women can provide a useful estimate for understanding daily calorie requirements, but actual energy needs may vary based on factors not fully captured by a standard equation.
If using the TDEE Calculator for weight loss for women, remember that the calorie-deficit values displayed are mathematical estimates rather than individualized dietary prescriptions.
TDEE Calculator in KG and CM
If you prefer metric measurements, you can use this as a TDEE Calculator in kg by selecting the Metric option.
Enter:
- Your weight in kilograms (kg)
- Your height in centimeters (cm)
- Your age
- Your gender
- Your activity level
The calculator will use these values to estimate your BMR and Total Daily Energy Expenditure.
If you prefer imperial measurements, switch to Imperial mode and enter your weight in pounds and height in feet and inches. The calculator automatically converts the measurements for the BMR calculation.
TDEE Calculator for Maintenance Calories
Maintenance calories refer to the estimated average calorie intake associated with maintaining body weight when energy intake and energy expenditure are approximately balanced over time.
Your calculated TDEE provides an estimate of your maintenance calorie needs based on the information you enter.
For example, if your estimated TDEE is 2,300 calories per day, approximately 2,300 calories would represent your calculated daily maintenance level.
Actual maintenance calories can differ from calculated TDEE, so changes in body weight and other relevant factors over time may provide additional information about your real-world energy needs.
TDEE Calculator for Muscle Gain
People interested in gaining muscle may choose to consume more energy than their estimated maintenance needs while following an appropriate resistance-training and nutrition program.
Our calculator displays a muscle-gain calorie estimate based on:
TDEE + 300 calories per day
This is a general mathematical estimate and does not guarantee muscle gain. Training quality, protein intake, total nutrition, recovery, genetics, and other factors also influence changes in muscle mass and body composition.
How Accurate Is a TDEE Calculator?
A TDEE calculator provides an estimate rather than a direct measurement of your daily energy expenditure.
The calculator uses established equations and activity multipliers, but actual calorie expenditure can vary due to factors such as:
- Body composition
- Individual metabolism
- Actual daily movement
- Exercise duration and intensity
- Changes in body weight
- Differences in activity between days
- Individual physiological differences
For this reason, no standard online calculator can guarantee a perfectly accurate TDEE result for every individual.
Your calculated TDEE can be used as an initial estimate and adjusted based on real-world observations when appropriate.
What Is the Most Accurate TDEE Calculator?
People searching for the most accurate TDEE Calculator should understand that all equation-based online TDEE calculators provide estimates.
The accuracy of a result depends partly on the equation used and the accuracy of the information entered, especially the selected activity level.
Our calculator transparently uses the Mifflin-St Jeor equation for BMR and standard activity multipliers for estimating TDEE. This allows you to understand how your result is calculated rather than treating it as an exact measurement.
For many users, tracking real-world changes in body weight, calorie intake, and activity over time can provide additional context when evaluating an estimated TDEE.
What Factors Can Affect Your TDEE?
Your daily energy expenditure can be influenced by several factors, including:
- Age
- Body size
- Body composition
- Physical activity
- Exercise habits
- Daily movement
- Lifestyle and occupation
- Individual metabolic differences
Your energy expenditure may change as your weight, body composition, or activity patterns change. This is one reason why recalculating your TDEE periodically may be useful.
When Should You Recalculate Your TDEE?
You may consider recalculating your estimated TDEE when there is a meaningful change in factors used by the calculator.
For example, you may want to calculate it again if:
- Your body weight changes significantly
- Your activity level increases or decreases
- You start or stop a regular exercise program
- Your fitness goals change
- Your lifestyle or occupation becomes more or less physically active
Updating your information helps ensure that the calculator is using values that better reflect your current circumstances.
Frequently Asked Questions
What does TDEE stand for?
TDEE stands for Total Daily Energy Expenditure. It is an estimate of the total number of calories your body uses in a day, including basic physiological functions and physical activity.
How do I calculate my TDEE?
One common method is to estimate your BMR and multiply it by an activity factor. Our calculator performs this calculation automatically using the Mifflin-St Jeor equation for BMR and the activity level you select.
Is this TDEE Calculator free?
Yes. This is a free TDEE Calculator that you can use online without registration to estimate your BMR, TDEE, maintenance calories, and calorie targets.
Can I use the TDEE Calculator online for free?
Yes. The TDEE Calculator is online and free to use on compatible desktop, tablet, and mobile devices.
Can I use a TDEE Calculator for weight loss?
Yes. The calculator can estimate your maintenance calories and show mathematical calorie-deficit targets. However, these values are estimates and should not be considered personalized nutrition or medical advice.
What is the difference between BMR and TDEE?
BMR estimates the energy your body uses at rest for essential functions. TDEE estimates your total daily energy use after adjusting BMR according to your selected activity level.
Does this calculator use kg?
Yes. Select Metric mode to use the TDEE Calculator with kg and cm. You can also select Imperial mode to enter weight in pounds and height in feet and inches.
Can women use this TDEE Calculator?
Yes. Select Female in the gender field. The calculator will use the female version of the Mifflin-St Jeor equation when estimating BMR before calculating TDEE.
Does the calculator show a calorie deficit?
Yes. The calculator displays mathematical calorie targets based on deficits of 250, 500, and 750 calories below your estimated TDEE.
Which formula does this TDEE Calculator use?
The calculator uses the Mifflin-St Jeor equation to estimate BMR. It then multiplies the estimated BMR by an activity factor to calculate Total Daily Energy Expenditure.
Is this the most accurate TDEE Calculator?
No online equation-based calculator can guarantee the most accurate result for every person. This calculator provides an estimate based on the Mifflin-St Jeor equation and your selected activity level. Actual daily energy expenditure may differ.
How often should I calculate my TDEE?
You may consider recalculating your TDEE when your weight, activity level, exercise routine, or other relevant inputs change significantly.
Conclusion
A TDEE Calculator can provide a useful estimate of your Total Daily Energy Expenditure and help you better understand the relationship between BMR, activity, maintenance calories, and calorie targets.
Use our free online TDEE Calculator to estimate your BMR and TDEE using metric or imperial measurements. You can also explore maintenance calories, mathematical calorie-deficit targets for weight loss, and an estimated calorie-surplus target for muscle gain.
Remember that TDEE calculations are estimates. Actual calorie needs vary between individuals and can change over time.
Important Disclaimer
This TDEE Calculator is provided for general informational and educational purposes only. The results are estimates based on mathematical equations and the information you enter. They are not a direct measurement of your metabolism or energy expenditure.
The calorie and calorie-deficit figures displayed by the calculator are not personalized medical or nutritional recommendations. Individual energy and nutritional needs vary. If you have a medical condition, are pregnant or breastfeeding, have specific dietary requirements, have concerns about your weight or eating patterns, or need individualized nutrition guidance, consult an appropriately qualified healthcare or nutrition professional.