Free Tool

Peptide Dosage Calculator

Enter your vial size, bac water volume, and dose to get precise draw units, doses per vial, and concentration. Works in mg or mcg.

Calculator inputs
Vial size
mg
Bacteriostatic water
ml
Dose per injection
mg
Syringe size

How to use this calculator

Enter your peptide's total vial size, the amount of bacteriostatic water you'll add, and your target dose per injection.

Select your syringe size to verify draw volume fits — a warning fires if it doesn't. Toggle mg/mcg to switch all values at once.

Your results
Units to draw Per injection
units
Doses per vial At this dose
injections
Draw volume In ml
ml
Dose exceeds syringe capacity.
Syringe fill —
25 50 75

Not sure about your COA? Get an AI-powered plain-English verdict on your certificate of analysis — pass/fail with specific flags.

Research purposes only. This calculator is an informational tool and does not constitute dosing advice or a medical recommendation. Peptide compounds referenced here are research chemicals not approved by the FDA for human use. Always consult a licensed healthcare provider before use.
PeptideVetter provides educational and research information only - nothing on this site constitutes medical advice or replaces consultation with a licensed physician. Peptide compounds referenced here are research chemicals not approved by the FDA for human use. By using this site, you assume full responsibility for how this information is applied.
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