GLP-1 Dosage Calculator
Calculate your exact injection volume based on vial strength, reconstitution, and desired dose. For compounded/reconstituted peptides.
Note: This calculator is for compounded or lyophilized (powder) medications that you reconstitute yourself. Brand-name pens (Ozempic, Mounjaro, Wegovy, Zepbound) deliver pre-set doses — no calculation needed.
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Select your medication
GLP-1 · Half-life: 7 days · Weekly (injection) / Daily (oral)
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Syringe size
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Vial size (mg of peptide)
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Bacteriostatic water added (mL)
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Desired dose per injection
Your Results
Concentration
5,000 mcg/mL
Volume per dose
0.100 mL
Syringe units
10.0 units
Doses per vial
20
Draw to 10.0 units on your 100-unit syringe:
Summary: To inject 0.5 mg of Semaglutide, draw to 10.0 units (0.100 mL) on your 100-unit syringe. You'll get 20 doses from this vial.
This calculator is for informational purposes only. Always follow your healthcare provider's prescribed dosing instructions. DoseCurve is not medical advice.