Weight Loss Projection Tool
See Your Weight Loss Timeline – GLP-1 Projection Tool
Based on clinical trial data for Semaglutide and Tirzepatide, see your potential weight loss journey over 12, 24, and 48 weeks. Visualize your future success with evidence-based projections.
Enter your current body weight in pounds (100–500 lbs).
Semaglutide: ~15% avg weight loss | Tirzepatide: ~20% avg weight loss (based on clinical trials)
Average = clinical trial mean | Optimistic = top quartile | Conservative = lower quartile
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Enter your weight and medication
See your projected weight loss timeline
Clinical Trial Data – What to Expect
Projections are based on published clinical trial data for Semaglutide and Tirzepatide. Here’s what the studies show.
💉 Semaglutide (Wegovy®)
- Average weight loss: ~15% of body weight
- Time to max effect: 48–68 weeks
- Study: STEP clinical trial program
- Participants: Over 4,000 patients
- Dosing: Weekly injection
💉 Tirzepatide (Zepbound®)
- Average weight loss: ~20% of body weight
- Time to max effect: 52–72 weeks
- Study: SURMOUNT clinical trial program
- Participants: Over 2,500 patients
- Dosing: Weekly injection
📊 Projection Methodology
- Average: Clinical trial mean results
- Optimistic: Top quartile (75th percentile)
- Conservative: Lower quartile (25th percentile)
- Timeline: Based on weight loss curves from trials
- Units: Projections in pounds (lbs)
Projected Weight Loss by Medication
Average projected weight loss for a 220 lb individual based on clinical trial data.
| Medication | 12 Weeks | 24 Weeks | 48 Weeks | Total % Loss |
|---|---|---|---|---|
| Semaglutide | −6% | −10% | −15% | 15% |
| Tirzepatide | −8% | −14% | −20% | 20% |
| Optimistic (Both) | −10% | −18% | −25% | 25% |
| Conservative (Both) | −4% | −7% | −10% | 10% |
Note: Based on clinical trial averages. Individual results may vary significantly based on diet, exercise, adherence, and other factors.
Medical Disclaimer: This GLP-1 weight loss projection calculator is for educational and informational purposes only. It does not provide medical advice, diagnosis, or treatment. Projections are based on clinical trial averages and are not a guarantee of individual results. Always consult your physician or a qualified healthcare provider before starting any weight loss medication or program. Individual results may vary based on diet, exercise, genetics, and other health factors.
