Calorie Calculator
How to Use
- Enter your current weight in kg
- Enter your height in cm
- Enter your age in years
- Select your gender
- Choose your activity level
- Click Calculate to see your daily calorie needs
Calorie Calculation Formula
Uses Mifflin-St Jeor Formula for BMR and multiplies by activity factor for TDEE
Example: BMR = 10×weight + 6.25×height - 5×age ± offset; TDEE = BMR × Activity Factor
Frequently Asked Questions
What is BMR (Basal Metabolic Rate)?
BMR is the number of calories your body burns at rest to maintain basic physiological functions like breathing, circulation, and cell production.
What is TDEE (Total Daily Energy Expenditure)?
TDEE is the total number of calories your body burns in a day, including BMR and calories burned through physical activity.
How many calories should I eat to lose weight?
To lose weight, consume 300-500 calories less than your TDEE. To gain weight, consume 300-500 calories more than your TDEE.
What activity levels mean?
Sedentary = little/no exercise, Light = 1-3 days/week, Moderate = 3-5 days/week, Active = 6-7 days/week, Very Active = intense daily exercise.