FDA-Approved Medication Data

Predict Your Weight Loss Results

Evidence-based projections for Ozempic, Wegovy, Mounjaro & Zepbound

220 lbs 180 lbs

Semaglutide medications like Ozempic and Wegovy have revolutionized weight loss treatment, with clinical trials showing average losses of 15-17% of body weight. This free calculator uses data from landmark studies (STEP-1, SUSTAIN, SURMOUNT-1) to project your personalized weight loss timeline.

✓

No Signup Required

✓

Clinical Trial Data

✓

100% Free Forever

Join 10,000+ people who've projected their results

Current Weight (lbs) *

Goal Weight (lbs) *

Height (feet) *

Height (inches) *

Age *

Sex *

Activity Level *

GLP-1 Medication *

Estimated Weight Loss

Unlock Your Complete Results

Get your personalized timeline, protein targets, and weekly projections

Week-by-week weight loss chart

Personalized protein intake recommendations

Evidence-based tips to maximize results

We respect your privacy. No spam, ever.

Total Weight Loss (lbs)

Weekly Loss Rate

Weeks to Goal

BMI Change

Your Weight Loss Timeline

💪 Muscle Preservation Plan

To maintain muscle mass during your weight loss journey, we recommend:

grams of protein per day

This is based on 1g per pound of your goal weight to preserve lean muscle mass.

Ozempic Weight Loss Calculator: Essential Tips for Success

Start Protein Early to Preserve Muscle Mass

GLP-1 medications can lead to rapid weight loss, but without adequate protein intake (1g per pound of goal weight), you risk losing valuable muscle mass. Focus on lean proteins like chicken, fish, Greek yogurt, and protein shakes to maintain strength and metabolism.

Manage Nausea During Semaglutide Titration

Common side effects like nausea and constipation peak during weeks 5-8 of titration. Drink at least 64oz of water daily, eat slowly, and choose bland, low-fat foods if nausea occurs. Small, frequent meals work better than large portions.

Add Strength Training to Your GLP-1 Protocol

Resistance training is crucial to preserve muscle during weight loss. Aim for 3 full-body sessions per week focusing on compound movements (squats, deadlifts, presses). This helps maintain metabolic rate and ensures you lose fat, not muscle.

Track Measurements, Not Just Scale Weight

Weight loss typically slows around month 9. This is normal! Don't panic. Instead, increase protein by 20g/day, add one extra strength session, and track your measurements (waist, hips, chest). Body composition changes continue even when weight plateaus.

Plan for Long-Term Maintenance on Semaglutide

Most clinical trials show that stopping semaglutide leads to weight regain. Work with your doctor to develop a long-term maintenance plan — whether that means staying on the medication indefinitely, transitioning to a lower dose, or implementing strict lifestyle changes to maintain results.

Wegovy Weight Loss Projections: Frequently Asked Questions

How much weight can I lose on semaglutide?

Clinical trial data shows that semaglutide users typically lose 15-17% of their body weight over 68 weeks on Wegovy (2.4mg) and 10-12% on Ozempic (1mg). For example, a 220lb person on Wegovy could lose approximately 35-37 lbs. Individual results vary based on starting weight, adherence to medication, diet, and exercise habits.

How does this semaglutide calculator work?

This semaglutide calculator uses clinical trial data from STEP-1, SUSTAIN, and SURMOUNT-1 studies to project weight loss timelines. It calculates your expected weight loss percentage based on the specific GLP-1 medication you select, then generates a week-by-week projection using a logarithmic curve that mirrors real-world results (faster loss at the start, slower toward the end).

Is semaglutide the same as Ozempic?

Semaglutide is the active ingredient in both Ozempic and Wegovy. Ozempic is FDA-approved for type 2 diabetes at doses up to 1mg weekly, while Wegovy is FDA-approved specifically for weight loss at 2.4mg weekly. Both contain the same medication (semaglutide) but at different dosages and with different approved uses.

How long does it take to see results on semaglutide?

Most people begin to see noticeable weight loss within 4-8 weeks of starting semaglutide, with peak weight loss typically occurring around months 9-12. The first 12 weeks involve dose titration, so weight loss accelerates as you reach your maintenance dose. Consistent results require staying on the medication long-term.

What is the recommended semaglutide dosage for weight loss?

The recommended semaglutide dosage for weight loss is 2.4mg weekly (Wegovy), reached through a gradual titration schedule: 0.25mg for 4 weeks, 0.5mg for 4 weeks, 1mg for 4 weeks, 1.7mg for 4 weeks, then 2.4mg as the maintenance dose. Ozempic is typically prescribed at 1mg weekly for diabetes but is sometimes used off-label for weight loss.

Mounjaro Results Calculator: Understanding GLP-1 Dosage

GLP-1 Dosage Guide for Optimal Results

Different GLP-1 medications require different dosing strategies to maximize weight loss while minimizing side effects. Here's what you need to know:

Wegovy (semaglutide 2.4mg): Start at 0.25mg weekly and titrate up every 4 weeks. Maintenance dose of 2.4mg produces the best weight loss results.
Ozempic (semaglutide 1mg): Typically prescribed for diabetes, but 1mg weekly can produce 10-12% weight loss over 68 weeks when used off-label.
Mounjaro/Zepbound (tirzepatide 15mg): Dual GIP/GLP-1 receptor agonist with the highest weight loss potential — up to 22% body weight reduction at the 15mg dose.
Saxenda (liraglutide 3mg): Daily injection with moderate weight loss (8-9%) but requires daily administration instead of weekly.

⚠️ This calculator provides estimates based on clinical trial averages. Individual results vary.

Always consult with a healthcare provider before starting any weight loss medication. This tool is for educational purposes only and does not constitute medical advice.

Calculator • About • Privacy Policy • Terms • Disclaimer