Calorie Calculator

MaleFemale
yrs
cmft/in
cm
kglb
kg
Daily Calorie Needs
2,672
kcal / day
Basal Metabolic Rate
Calories at rest
1,724 kcal
Protein Target
1.6g per kg body weight
120g
Fat Target
25% of maintenance calories
74g

Calorie Targets by Goal

Aggressive Loss
1,672 kcal/day

~1 kg (2 lbs) per week

Moderate Loss
2,172 kcal/day

~0.5 kg (1 lb) per week

Moderate Gain
3,172 kcal/day

~0.5 kg (1 lb) per week

Aggressive Gain
3,672 kcal/day

~1 kg (2 lbs) per week

What Is a Calorie Calculator?

A calorie calculator is an online tool that estimates how many calories your body needs each day based on personal characteristics and lifestyle. It takes into account your gender, age, height, weight, and physical activity level to provide a personalized daily calorie intake recommendation.

Our calorie calculator is based on the Mifflin St. Jeor equation. Your daily caloric intake starts from your Basal Metabolic Rate(BMR), which you can find out using our BMR Calculator. Applying physical activity multipliers to this base value determines your Total Daily Energy Expenditure (TDEE).

Who Should Use a Calorie Calculator?

Calorie Calculator is a vital resource for everyone who wants to understand how many calories they need each day, whether you want to create a deficit for weight loss or a surplus for muscle growth or maintain your weight as it is. Our Mifflin St. Jeor calculator is perfect for:

  • Individuals calculating their calories deficit for losing weight
  • Athletes and bodybuilders creating their calories surplus for gaining muscles
  • Fitness lovers counting their maintenance calories on a day-to-day basis
  • People wanting to achieve body recomposition and lose fats
  • Health conscious individuals making a healthy diet plan and tracking calories intake

How to Calculate Daily Calorie Needs?

Follow these steps to get an accurate estimate of how many calories you should eat per day using our free calorie calculator.

1

Select your gender - male or female - as calorie needs differ based on biological differences in metabolism.

2

Enter your age and choose your preferred units for height (cm or feet/inches) and weight (kg or lbs).

3

Input your current height and weight accurately for a precise BMR calculation.

4

Select your activity level from sedentary to super active to adjust your calorie estimate for your daily movement and exercise habits.

5

View your results instantly - including BMR, TDEE, and calorie targets for weight loss, maintenance, and weight gain.

"For the most accurate results, weigh yourself first thing in the morning before eating and measure your height without shoes. Choose the activity level that best represents your average week, not your best week."

Understanding Daily Calorie Needs by Activity Level

The number of calories you need daily depends heavily on your physical activity. An activity multiplier is applied to your BMR to calculate your Total Daily Energy Expenditure (TDEE). Selecting the category that best reflects your regular routine ensures the most accurate calorie target for your personal fitness goals.

Use these benchmarks to determine your maintenance calories. If your goal is fat loss, create a moderate calorie deficit below your TDEE. If your goal is muscle gain, consume a modest calorie surplus combined with progressive resistance training. You can also cross-check body metrics with our Body Fat Calculator and BMI Calculator.

  • Sedentary (BMR X 1.2): You have a desk job and you do not get much exercise during the week. Most activities during the week are just walking around the house or office. The normal calorie requirement varies from 1,600 to 2,000 for women and from 2,000 to 2,400 for men.
  • Lightly Active (BMR X 1.375): You indulge in moderate exercise using walking, yoga, and cycling on 1 to 3 days per week. The classification is meant for those who are employed in teaching and retail sectors since they perform moderately active duties at work.
  • Moderately Active (BMR X 1.55): You engage in moderate physical activities such as running, swimming, or lifting weights 3 to 5 times in a week. This regimen exemplifies the level of activity of individuals that are regular gym-goers and also recreational athletes.
  • Very Active (BMR X 1.725): You engage in rigorous physical activity or sport six to seven times per week. This category is relevant for professional athletes, athletes preparing for marathons, or individuals with strenuous hobbies.
  • Super Active (BMR X 1.9): You engage in very intense exercises every day, or you have a physically demanding profession such as construction, farming, or professional athletics with additional training.

Why Use a Calorie Calculator?

Knowing your daily calorie needs is the foundation of any successful nutrition plan, whether you want to lose fat, build muscle, or stay healthy.

Personalized Daily Calorie Targets

Get a daily calorie intake estimate tailored to your exact age, gender, height, weight, and weekly activity level.

Calorie Deficit for Weight Loss

Use this tool to calculate your target calorie deficit to lose 1 to 2 pounds per week safely and sustainably without extreme restriction.

Calorie Surplus for Muscle Gain

Find your ideal calorie surplus to support lean muscle hypertrophy and strength training without gaining unwanted body fat.

BMR and TDEE Insights

Understand both your Basal Metabolic Rate (calories burned at rest) and Total Daily Energy Expenditure (total daily burn).

Macronutrient Target Baselines

Receive initial protein and dietary fat targets in grams to ensure your nutrition plan preserves lean muscle mass during deficits.

Free, Instant, and Private

Calculate your daily calorie needs instantly with zero sign-ups, downloads, or saved personal data.

Common questions about daily calorie needs, BMR, TDEE, and calorie deficit targets.

Calorie Calculator FAQs

A calorie calculator is an online tool that calculates the number of calories your body needs per day for maintenance, weight loss, or muscle gain. It uses your age, gender, height, weight, and activity level to determine your Basal Metabolic Rate (BMR), then applies an activity multiplier to compute your Total Daily Energy Expenditure (TDEE).
The Mifflin-St Jeor equation is the most accurate formula used by nutrition and health practitioners to calculate BMR and daily calorie needs. To calculate BMR, the equation for men is BMR = 10 x weight (kg) + 6.25 x height (cm) - 5 x age + 5, while for women it is BMR = 10 x weight (kg) + 6.25 x height (cm) - 5 x age - 161.
For healthy and steady weight loss, it is best to aim for a daily calorie deficit of 500 calories below your TDEE. This will result in a loss of about 0.45 kg or 1 pound each week. For more rapid fat loss, a 1,000-calorie deficit can lead to a loss of approximately 0.9 kg or 2 pounds per week. However, it is important to not go below 1,200 calories for women and 1,500 calories for men unless under medical supervision.
BMR (Basal Metabolic Rate) is the baseline number of calories your body burns at complete rest to maintain vital functions like breathing and circulation. TDEE (Total Daily Energy Expenditure) is your BMR multiplied by your physical activity level, representing the total calories you burn each day including exercise and daily movement.
Sedentary is selected for people who do not engage in physical activity at all and have desk jobs. The category of Lightly Active is appropriate for individuals with light exercise 1 to 3 days per week. Individuals who have moderate workouts 3 to 5 days per week fall into the category of Moderately Active. The category of Very Active is suitable for people with intense workouts 6 to 7 days per week.
Eating below your BMR for extended periods is generally not recommended. Your BMR supports vital organs, brain function, and hormonal balance. Severe caloric restriction below BMR can slow metabolism and cause fatigue. For sustainable weight loss, maintain a calorie deficit below your TDEE while staying above your BMR.
Clinical research has shown that the Mifflin St Jeor formula will estimate metabolism with an accuracy rate of 10% in most people. As there is variation in the rate of metabolism depending on one's genetic makeup and body type, one should use the figure obtained as a baseline to make adjustments accordingly.
To build lean muscle mass, consume a calorie surplus of 250 to 500 calories per day above your TDEE. Combining this surplus with progressive resistance training and an adequate protein intake of 1.6 to 2.2 grams per kilogram of body weight optimizes muscle hypertrophy while minimizing fat gain.
Certainly, the calorie intake is supposed to decrease because of age-related changes such as reduced muscle mass and metabolism. The body requires about 2% to 3% less metabolic needs every decade since age 20. Weight training can help preserve both muscle mass and metabolism.
It is usually true that males need more calories than females in a day since the body mass of males is higher. Males who are moderately active in a day need between 2,200 and 2,800 calories while females need 1,800 to 2,200 calories in a day.

Similar Tools

BMI Calculator
Body Fat Calculator
BMR Calculator

Disclaimer

The calculator for calories on the Internet is just a guess and should not be regarded as a piece of medical information. Everyone is different. It might be useful for you to seek a health care expert prior to changing anything significantly.