What does the number mean?
BMI gives an initial idea about weight, but it does not decide treatment alone.
Medical calculator
BMI calculator
A quick tool to calculate BMI, with a reminder that surgical decisions require full medical assessment.
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Body Mass Index
Enter your data
Under
Normal
Over
Obesity
Approx. ideal weight
-- kg
Difference from normal
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Basal metabolic rate
-- kcal
Approx. daily calories
-- kcal
Estimated body fat
--%
Recommended water intake
-- L/day
Your projected weight path after bariatric surgery
Today
About 18 months later
An estimated range based on published excess-weight-loss averages (55-70%); actual results vary by procedure and follow-up adherence.
This tool gives only a rough initial idea and is not a medical diagnosis. Treatment decisions rely on a full assessment including tests and medical history.
Discuss the result with the doctorWhen to seek assessment?
Diabetes, hypertension, reflux, or failed weight-loss attempts need deeper medical discussion.
Next step
Keep the result and discuss it as part of assessment including tests and lifestyle.
Patient questions
Frequently asked questions about BMI and obesity
Concise answers to help you prepare for consultation and understand available options without exaggerated claims.
Is gastric sleeve suitable for every patient with obesity?
No. Suitability depends on BMI, associated conditions, eating habits, and test results.
What is the difference between sleeve and bypass?
Sleeve reduces stomach size, while bypass changes the food pathway and affects absorption and hormones. The choice depends on the case.
Can diabetes improve after gastric bypass?
Type 2 diabetes may improve in many suitable patients, but outcomes depend on disease duration, pancreatic function, and follow-up.
How long is recovery after laparoscopic gallbladder removal?
Movement is usually faster than open surgery, but recovery varies by case, work type, and doctor instructions.
When does a hernia need surgery?
Assessment is recommended when there is swelling, pain, or growth, because some hernias can progress and need repair.
Is hemorrhoid treatment permanent?
It depends on severity, technique, and lifestyle changes that reduce constipation and pressure.
