Goal planning
Weight Loss Timeline Calculator
Estimate how long it may take to reach your target weight based on a daily calorie deficit.
Your result will appear here
Enter your current weight, target weight and calorie deficit to estimate your timeline.
Calculator guide
How to understand your weight loss timeline
How to use this calculator
- 1Choose metric or imperial units.
- 2Enter your current weight.
- 3Enter your target weight.
- 4Enter your estimated daily calorie deficit.
- 5Choose your start date.
- 6Click the calculate button to estimate your timeline.
What the result means
The timeline result estimates how long it may take to reach your target weight if the daily calorie deficit stays consistent. Real progress can vary due to water weight, consistency, sleep, activity, metabolism and other factors.
This calculator is for informational purposes only and is not medical advice.
How this calculator works
This calculator estimates a timeline using the difference between current weight and target weight, then compares that against a daily calorie deficit.
Approximate conversion: 1 kg of body fat is often estimated around 7,700 kcal, and 1 lb around 3,500 kcal.
This calculator is for informational purposes only and is not medical advice.
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