Calorie Calculator
Calculate your daily calorie needs using the Harris-Benedict equation
0
Basal Metabolic Rate (BMR) - calories/day
Your Daily Calorie Needs
0
Weight Loss
-500 cal/day
0
Maintenance
TDEE
0
Weight Gain
+500 cal/day
📐 How This Works
This calculator uses the Harris-Benedict equation to estimate your BMR (Basal Metabolic Rate) - the calories your body burns at rest.
Men: BMR = (10 × weight_kg) + (6.25 × height_cm) - (5 × age) + 5
Women: BMR = (10 × weight_kg) + (6.25 × height_cm) - (5 × age) - 161
Women: BMR = (10 × weight_kg) + (6.25 × height_cm) - (5 × age) - 161
Your TDEE (Total Daily Energy Expenditure) is calculated by multiplying your BMR by an activity multiplier:
| Activity Level | Multiplier |
|---|---|
| Sedentary | 1.2 |
| Lightly Active | 1.375 |
| Moderately Active | 1.55 |
| Very Active | 1.725 |
| Extra Active | 1.9 |