Calorie Calculator

Calorie Calculator — Hero Banner
BMR + TDEE Based
Calorie Calculator

Combines your BMI with the Mifflin-St Jeor formula to estimate your daily calorie needs, then adjusts the number for your goal — lose, maintain, or gain weight.

Formula
Mifflin-St Jeor
Needs
Age, height, weight
Result in
< 30 sec
↓ Select your goal and activity level below to get started
Daily Calories (TDEE)
0
calories / day to maintain current weight
BMR
0
cal/day at rest
BMI
0
--
Water Intake
0
liters/day
Healthy Weight Range: --
Calorie Plans
Daily Nutrition
0g
Protein
0g
Carbs
0g
Fat
0g
Fiber
0L
Water
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    Food Energy & Nutrition Calculator

    The Food Energy and Nutrition Calculator helps you quickly check the calories, energy, and nutritional value of your favorite foods. Search for a food, enter the quantity, and instantly view detailed nutrition facts, including calories, protein, carbohydrates, fats, vitamins, and minerals. It’s a fast and easy tool for making healthier food choices and tracking your daily nutrition.

    Food Energy & Nutrition Calculator

    Search any food to see its energy value, full nutrition facts, and practical comparisons — instantly.

    Energy Unit
    Select a food to begin
     
    —  
    Protein—
    Carbs—
    Fat—
    Fiber—
    Vitamin —
    Mineral —
     

    Practical Comparison

      Nutrition Analysis

      Values are estimated per selected quantity. %DV = % Daily Value based on standard 2,000-calorie adult reference intakes. "N/A" indicates reliable data is unavailable for this food.

      Additional Nutrition
      NutrientAmount%DV

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      Introduction

      The calorie calculator helps you understand how much you should eat every day based on your body and lifestyle. It combines BMI with calorie science to give you a personalized plan for weight loss, weight gain, or maintenance.

      Many tools only show calories or BMI separately. However, when you combine both, you get a clear picture of your health and what to do next—not just numbers, but a real, actionable plan.

      What is a BMI Calorie Calculator?

      A BMI calorie calculator is a smart tool that connects:

      • BMI (Body Mass Index) → your health category
      • BMR (Basal Metabolic Rate) → calories your body needs at rest
      • TDEE (Total Daily Energy Expenditure) → total calories you burn daily

      Together, these help you determine:
      How many calories do you need?

      Whether you should eat more or less?

      How to reach your goal safely?

      What is a BMI Calorie Calculator?

      BMI indicates your body mass index, while calories determine the amount of energy your body needs daily. First, BMI shows whether you are underweight, normal, or overweight. Then, your daily calorie needs are calculated based on your body and activity level. When you combine both, you get a clear plan: if your BMI is high, you reduce calories; if it is low, you increase calories; and if it is normal, you maintain your intake. This connection helps you move from just knowing your number to actually improving your health step by step.

      BMI (Tells Your Body Condition)

      BMICategory
      <18.5Underweight
      18.5 – 24.9Normal
      25 – 29.9Overweight
      30+Obese

      BMI-Based Calorie Plan

      A BMI-based calorie plan uses your BMI category to guide how many calories you should eat each day. If your BMI shows you are underweight, you need more calories to gain healthy weight. If your BMI is normal, you should maintain your current calorie intake. If your BMI is high (overweight or obese), you should reduce your calories to lose weight safely. This approach is supported by scientific research available in PubMed, which indicates that maintaining a proper balance between calorie intake and energy expenditure is essential for managing body weight and overall health.

      BMI CategoryDaily StrategyCalories Advice
      UnderweightGain weightEat +300 – 500 calories
      NormalMaintainStay near TDEE
      OverweightLose weightReduce 300 – 500 calories
      ObeseStrong fat lossReduce 500 – 700 calories

      Basal Metabolic Rate (BMR = Calories Your Body Uses Even When Resting)

      BMR means the number of calories your body needs to stay alive even when you are resting, like when you are sleeping or sitting quietly. It includes basic functions such as breathing, blood flow, and maintaining body temperature. You can calculate your BMR using your age, weight, height, and gender. This number is important because it gives you a starting point to understand how many calories your body needs each day before adding any physical activity.

      BMR Formulas

      This calorie calculator uses different formulas to estimate how many calories your body needs each day. These formulas help calculate your BMR (Basal Metabolic Rate), which is the energy your body uses at rest. The most common and accurate formula today is the Mifflin-St Jeor Equation, while older formulas like the Harris-Benedict are less accurate. Another formula, Katch-McArdle, is useful for people who know their body fat percentage because it considers lean body mass. After calculating BMR, it is multiplied by your activity level to find your daily calorie needs (TDEE). To lose weight, you need to eat fewer calories than your body needs, usually by reducing about 500 calories per day. However, extreme dieting is not healthy, so it is important to maintain a balanced diet and avoid losing weight too quickly.

      Formula NameFor MenFor WomenBest Use Case
      Mifflin-St Jeor EquationBMR = 10W + 6.25H − 5A + 5BMR = 10W + 6.25H − 5A − 161Most accurate for general use
      Revised Harris-Benedict EquationBMR = 13.397W + 4.799H − 5.677A + 88.362BMR = 9.247W + 3.098H − 4.330A + 447.593Older method (less accurate)
      Katch-McArdle FormulaBMR = 370 + 21.6 × (1 − F) × W Same formulaBest for people who know body fat %

      Here, W is the weight in Kg, H for height in cm, A for age in year and F for boy fat in %.

      Total Daily Energy Expenditure (TDEE = BMR × Activity Level )

      Total Daily Energy Expenditure (TDEE) is the total calories your body burns in a day. It is calculated by multiplying your BMR (the calories your body needs at rest) by your activity level. This means that if you’re more active (walking, working, exercising) your TDEE increases because your body burns more calories. TDEE is the amount of calories you should be eating daily. Eat that same amount to maintain your weight, eat less to lose weight or eat more to gain weight.

      How Many Calories Do You Burn in 1 Hour of Exercise?

      Activity (1 Hour)57 kg (125 lb)70 kg (155 lb)84 kg (185 lb)Intensity Leval
      Golf (using cart)198 kcal246 kcal294 kcalLow
      Walking (3.5 mph)215 kcal267 kcal319 kcalLow–Moderate
      Kayaking283 kcal352 kcal420 kcalModerate
      Softball/Baseball289 kcal359 kcal428 kcalModerate
      Softball/Baseball289 kcal359 kcal428 kcalModerate
      Swimming(moderate)397 kcal492 kcal587 kcalHigh
      Tennis397 kcal492 kcal587 kcalHigh
      Running (9 km/hr)624 kcal773 kcal923 kcalVery High
      Cycling (moderate)454 kcal562 kcal671 kcalHigh
      Football (general)399 kcal494 kcal588 kcalHigh
      Basketball (general)340 kcal422 kcal503 kcalModerate -High

      How Calorie Counting Helps You Lose Weight?

      Calorie counting is an easy way to lose weight by understanding how much energy you need and how much food you eat each day. First, you calculate BMR to know how many calories your body needs at rest. Then you set a goal, remembering that about 3,500 calories equals one pound of weight. Cutting 500 calories a day from your diet is a safe way to lose weight. This may help you to lose about one pound a week. Note what you eat by keeping track of your food intake using apps, websites, or a notebook. It’s better to weigh yourself once a week rather than every day because your weight can fluctuate with water and other factors. Extreme dieting should also be avoided. Too much weight loss (more than 1,000 calories per day or more than 2 pounds per week) can be unhealthy and lead to loss of muscle mass. The key to long-term results is consistency along with a balanced diet of proper nutrients. In general, the principle of weight loss is simple. If you eat fewer calories than your body burns, you will lose weight. If you eat more, you will gain weight.

      How Many Calories Should You Eat Per Day?

      The number of calories you need each day is the amount of energy your body needs to stay alive, move around and perform your daily activities. This number varies from person to person, depending on other things like age, weight, height, sex, activity level, and general health. For example, a young person who is physically active will need more calories than someone who spends most of the day sitting. Adult men generally need 2,000–3,000 calories daily, and adult women generally need 1,600–2,400 calories to maintain their current weight.

      Your body still needs a minimum number of calories to keep vital functions going, like breathing, circulation, digestion, and cell repair. Eat too little and your body might slow down metabolism, feel tired, and lose muscle instead of fat. This is why most guidelines say women should not go below 1,200 calories a day and men should not go below 1,500 calories, unless under medical supervision.

      To determine your exact caloric needs, you can use a method that starts with your BMR (Basal Metabolic Rate) and then makes adjustments for your daily activity to arrive at your total energy requirement. Then you can plan your goal. Lose weight by eating a little less, maintain by eating the same, or gain weight by eating a little more. The key is not just cutting calories, but eating nutritious foods, proper portion sizes, and consistency so that your body remains healthy as you get to your goal.

      Calories: Types, Quality, and Their Effects

      Calories come from the foods and drinks we eat and drink, mainly from carbohydrates, proteins and fats. Alcohol also has calories, but not many nutrients. Not every calorie is created equal in the body. And even when two foods have the same number of calories, your body can process and use them very differently. The more chewing foods — things like fruits, vegetables and whole grains- generally keep you feeling full longer and can slightly increase the calories your body burns in the process of digestion.

      The quantity of calories matters, but so does the quality of calories. Foods are divided into three groups: high-calorie, low-calorie and empty-calorie foods. High-calorie foods are foods such as oils, fried foods and sugary snacks that are high in calories for a small amount. But some high-calorie foods such as nuts, avocados, and whole grains are still healthy in moderation because they provide important nutrients. Lower-calorie foods, especially vegetables and some fruits, help you feel full and keep your calorie intake down. On the other hand, empty calories, such as those in sugar-sweetened beverages, processed foods and confections, contribute energy but little or no nutritional value.

      It is also important to remember that drinks can contribute a large percentage of your daily calorie intake, and often do not fill you up. Sugary drinks such as sodas, sweetened juices and flavored drinks can quickly raise your calorie intake, so water, tea or unsweetened drinks are a healthier option. Ultimately, a diet that is balanced and rich in natural, minimally processed foods is more effective for long-term health and weight management than focusing on calorie numbers alone.

      Frequently Asked Questions (FAQs)

      It first calculates your BMI using your height and weight, then estimates your daily calorie needs based on your body and activity level. This helps you create a plan according to your goal.

      Your daily calorie needs depend on factors like age, weight, height, gender, and activity level. A calculator helps estimate this number so you can plan your diet properly.

      Yes, by using the calculator, you can create a calorie deficit (eating fewer calories than your body needs), which helps in gradual and healthy weight loss.

      BMR (Basal Metabolic Rate): Calories your body needs at rest.
      TDEE (Total Daily Energy Expenditure): Total calories burned in a day, including activity.

      Calorie calculations are estimates, not exact numbers. Actual results may vary depending on metabolism, activity intensity, and lifestyle.

      Yes, if your goal is weight gain, you can use the calculator to find your daily calorie needs and then eat slightly more than that amount.

      Calorie deficit: Eating fewer calories → weight loss
      Calorie surplus: Eating more calories → weight gain

      No, eating too few calories can slow your metabolism and harm your health. It is important to maintain a balanced diet.

      You can check your calorie needs every few weeks or when your weight, activity level, or goals change.

      Yes, More physical activity increases your calorie needs, while a sedentary lifestyle requires fewer calories.