Toolifyr | Gastric Sleeve Calculator

Gastric Sleeve Calculator

Estimate your weight loss journey after vertical sleeve gastrectomy

Gastric Sleeve Projection
kg
lbs
cm
ft/in
Underweight BMI < 18.5
Normal weight BMI 18.5–24.9
Overweight BMI 25–29.9
Obesity Class I BMI 30–34.9
Obesity Class II BMI 35–39.9
Obesity Class III BMI ≥ 40
Surgery Threshold: BMI ≥ 35 (or ≥ 30 with comorbidities)

BMI Requirements for Gastric Sleeve Surgery

  • BMI ≥ 40: Automatically qualifies (Class III Obesity)
  • BMI 35-39.9: Qualifies with 1+ obesity-related condition:
    • Type 2 diabetes
    • High blood pressure
    • Sleep apnea
    • Severe joint disease
    • Heart disease
  • BMI 30-34.9: May qualify with severe, uncontrolled diabetes (varies by country)
  • Asian Patients: Typically 2.5 BMI points lower thresholds due to higher health risks
These are general guidelines. Insurance providers and surgeons may have additional requirements.
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