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GLP1Calc

Goal Weight Calculator

Enter your starting weight and goal weight. We'll show you how long it takes on each GLP-1 medication and the total cost to reach your goal — sorted from fastest to slowest.

Your goal

Your goal at a glance

Pounds to lose
40 lbs
% of body weight
18.2%

Some drugs may not reach this goal — drugs cap out at their phase 3 peak (e.g. Wegovy caps at 14.9% loss). The table below shows which drugs can get you there.

How long & how much to reach 180 lbs

Sorted by fastest to slowest. Drugs marked "Unreachable" cap out below your goal.

DrugTimeMonthly costTotal costGet it
Zepbound
Caps at 22.5%
10.9 mo$499$5,460Visit →
Mounjaro
Caps at 20.9%
13.5 mo$499$6,747Visit →
Wegovy
Caps at 14.9%
Unreachable$449
Ozempic
Caps at 11.6%
Unreachable$399
Wegovy (oral 25mg)
Caps at 13.6%
Unreachable$449
Saxenda
Caps at 8.4%
Unreachable$399
Medical disclaimer: This calculator provides estimates only based on phase 3 clinical trial data and publicly listed prices. It is not medical advice. Real-world weight loss varies significantly. Consult a licensed healthcare provider before starting any medication.
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