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Both calculators run independently — change the inputs on either side to compare results.
Medicine
Calorie Deficit & Weight Loss Calculator
Estimates how many weeks it will take to reach your target weight by modeling your calorie deficit as your body weight—and therefore your TDEE—decreases over time. Use it when planning a structured weight-loss programme with a realistic timeline.
Fill in the required fields to see your result.
Health
Calorie Deficit & Weight Loss Calculator
Estimate how much weight you'll lose over a set number of weeks from your daily calorie deficit and exercise. Based on the well-established rule that ~7,700 kcal equals roughly 1 kg of body fat.
Fill in the required fields to see your result.
Key differences
| Calorie Deficit & Weight Loss Calculator | Calorie Deficit & Weight Loss Calculator | |
|---|---|---|
| Category | Medicine | Health |
| Inputs required | 6 | 4 |
| Result | Daily Caloric Needs (calories) | Estimated Weight Loss (kg) |
| What it does | Estimates how many weeks it will take to reach your target weight by modeling your calorie deficit as your body weight—and therefore your TDEE—decreases over time. Use it when planning a structured weight-loss programme with a realistic timeline. | Estimate how much weight you'll lose over a set number of weeks from your daily calorie deficit and exercise. Based on the well-established rule that ~7,700 kcal equals roughly 1 kg of body fat. |