Calorie Calculator
+ Settings
Results
| Maintain weight | 0 100% Calories/day |
| Mild weight loss 0.5 lb/week |
0 0% Calories/day |
| Weight loss 1 lb/week |
0 0% Calories/day |
| Extreme weight loss 2 lb/week |
0 0% Calories/day |
Calorie Calculator Info
About the Calculator
Calorie Calculator helps you calculate your daily calorie needs. Supports BMR, TDEE, weight goals, macronutrients, and unit options — free, fast, and secure.
Key Features
- Supports metric and US units
- Three BMR formulas: Mifflin, Harris-Benedict, Katch
- Auto weight loss goal breakdowns
- Activity level adjustment
- Optional body fat input
- Mobile responsive and fast
- Visual calorie summary
- Validation and toast alerts
Formulas Used
Mifflin-St Jeor Formula
| Gender | Formula |
|---|---|
| Male | BMR = 10 × W + 6.25 × H − 5 × A + 5 |
| Female | BMR = 10 × W + 6.25 × H − 5 × A − 161 |
Harris-Benedict (Revised) Formula
| Gender | Formula |
|---|---|
| Male | BMR = 13.397 × W + 4.799 × H − 5.677 × A + 88.362 |
| Female | BMR = 9.247 × W + 3.098 × H − 4.330 × A + 447.593 |
Katch-McArdle Formula
| Formula | Note |
|---|---|
BMR = 370 + (21.6 × LBM) |
LBM = Weight × (1 − Body Fat %) |
Weight Loss Goal Table
Calorie Deficit Goals
| Goal | Deficit | Weekly Loss |
|---|---|---|
| Mild | -250 kcal/day | 0.25 kg or 0.5 lb |
| Moderate | -500 kcal/day | 0.5 kg or 1 lb |
| Extreme | -1000 kcal/day | 1 kg or 2 lb |
Frequently Asked Questions
BMR is your Basal Metabolic Rate. It's the calories your body needs at rest.
Mifflin-St Jeor is most accurate for most people.
Only if using the Katch-McArdle formula.