Calorie Calculator
What is it & why use it?
Estimate your daily calorie requirements based on BMR and activity level to maintain, lose, or gain weight. This tool on Calci.in helps you estimate how many calories your body needs daily based on your lifestyle.
Formula (explained)
TDEE = BMR × Activity Factor
(BMR from Mifflin-St Jeor equation)
Variables: BMR = Basal Metabolic Rate, Activity Factor = based on lifestyle (sedentary, moderate, active).
Example calculation
BMR = 1668 kcal/day, Activity Factor = 1.55 (moderate activity) → TDEE ≈ 2585 kcal/day.
Benefits & use cases
• Plan diet effectively
• Support weight management
• Personalized nutrition goals
Related calculators on Calci.in
BMR Calculator
BMI Calculator
Protein Intake Calculator
External references (authority sources)
Healthline – Calorie Needs
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FAQs
Q1: What is TDEE?
A: Total Daily Energy Expenditure, calories burned per day including activity.
Q2: Why should I calculate calories?
A: To know how much to eat for weight maintenance, loss, or gain.
Q3: Is calorie calculation exact?
A: It is an estimate, actual needs may vary based on metabolism.
Q4: Can this help athletes?
A: Yes, it helps athletes and fitness enthusiasts balance energy intake with training.