Calorie Deficit Calculator
Calculate how long it will take to reach your target weight based on daily calorie deficit.
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Plan Your Weight Loss with Calorie Deficit
Determine the time needed to reach your target weight by entering current weight, target weight, and daily calorie deficit. Plan your diet and fitness goals efficiently.
Formula
Weight Loss Time = (Current Weight – Target Weight) × 7700 ÷ Daily Calorie Deficit
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How to Use?
- Enter your current weight and target weight.
- Enter your planned daily calorie deficit.
- View estimated days, weeks, and months to reach your goal.
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Worked Examples
Example
Given:
currentWeight: 80
targetWeight: 70
dailyDeficit: 500
Result:
kgToLose: 10
days: 154
weeks: 22
months: 5.1
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Calorie Deficit & Weight Loss
A deficit of 7700 kcal results in roughly 1 kg of weight loss. This calculator estimates the timeline based on your daily calorie deficit.
Planning Diet & Exercise
Use the results to plan your diet, adjust exercise intensity, and track progress safely.
Table: Sample Weight Loss Timelines
| Current Weight | Target Weight | Deficit | Days | Weeks | Months |
|---|---|---|---|---|---|
| 80 kg | 70 kg | 500 kcal | 154 | 22 | 5.1 |
| 150 lbs | 140 lbs | 300 kcal | 108 | 15.4 | 3.6 |
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FAQs
How accurate is this estimate?
It's based on the standard 7700 kcal per kg formula; actual results vary with metabolism and activity.
Can I increase weight loss speed?
Yes, by increasing daily deficit safely via diet and exercise, but extreme deficits are not recommended.
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