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.

1

Select your medication

GLP-1 · Half-life: 7 days · Weekly (injection) / Daily (oral)

2

Syringe size

3

Vial size (mg of peptide)

4

Bacteriostatic water added (mL)

5

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:

025507510010.0u
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.