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Calorie Calculator

Calculate your daily calorie needs based on your age, gender, weight, height, and activity level.

Your Information

Calorie Results

Basal Metabolic Rate (BMR): 1,655 calories
Total Daily Energy Expenditure (TDEE): 2,565 calories
Recommended Daily Calories: 2,565 calories
Macronutrient Distribution: Protein: 128g, Carbs: 321g, Fat: 71g

Weight Goal

Weight Loss (0.5kg/week): 2,065 calories
Weight Gain (0.5kg/week): 3,065 calories

About Calorie Calculation

Calories are units of energy that our bodies use to function. The number of calories you need each day depends on several factors including your age, gender, height, weight, and activity level.

Example Calculation:

For a 30-year-old male, 170 cm tall, weighing 70 kg, with moderate activity:

BMR (Basal Metabolic Rate) = 1,655 calories

TDEE (Total Daily Energy Expenditure) = BMR × Activity Multiplier = 1,655 × 1.55 = 2,565 calories

To maintain weight, consume approximately 2,565 calories daily.

Your Total Daily Energy Expenditure (TDEE) is composed of:

  1. Basal Metabolic Rate (BMR): Calories burned at rest for basic bodily functions
  2. Thermic Effect of Food (TEF): Calories burned digesting and processing food
  3. Physical Activity: Calories burned through exercise and daily activities
  4. Non-Exercise Activity Thermogenesis (NEAT): Calories burned through fidgeting, posture, etc.

Common Food Calories

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Apple
95 calories
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Banana
105 calories
🍗
Chicken Breast
165 calories
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Rice (1 cup)
205 calories
🥑
Avocado
320 calories
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Pizza Slice
285 calories

Understanding your calorie needs can help you achieve your weight goals, whether you want to maintain, lose, or gain weight. Remember that calorie quality is just as important as quantity - focus on nutrient-dense foods for optimal health.

Calorie Formulas

The Mifflin-St Jeor Equation is used to calculate BMR:

For men: BMR = 10 × weight(kg) + 6.25 × height(cm) - 5 × age(y) + 5
For women: BMR = 10 × weight(kg) + 6.25 × height(cm) - 5 × age(y) - 161

TDEE is calculated as:

TDEE = BMR × Activity Multiplier

Activity Multipliers

• Sedentary: 1.2 (little or no exercise)

• Lightly active: 1.375 (light exercise 1-3 days/week)

• Moderately active: 1.55 (moderate exercise 3-5 days/week)

• Very active: 1.725 (hard exercise 6-7 days/week)

• Extra active: 1.9 (very hard exercise, physical job)

Macronutrient Ratios

• Protein: 20% of total calories (4 calories/gram)

• Carbohydrates: 50% of total calories (4 calories/gram)

• Fat: 30% of total calories (9 calories/gram)