Medical tools

Weight Loss Predictor After Bariatric Surgery

Estimate your expected weight range in the first year after sleeve gastrectomy, gastric bypass or a gastric balloon, based on average results from medical studies.

Interactive tool

How much weight could you lose in the first year?

Choose a procedure and enter your weight and height to see an approximate expected range after one year.

25–30% of current weight

Approximate result after 12 months

Enter a valid weight (40–400 kg) to see the result.

This is a rough estimate based on average first-year results reported in medical studies. Individual results vary with diet, activity and health status. It does not replace a medical assessment.

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