Free peptide calculators
Free peptide calculators for the arithmetic behind a vial: concentration and syringe units, how much water to add, mg and mcg to units, and how long a vial will last. They run in your browser, need no sign-up and show the formula they use.
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Peptide reconstitution calculator
Works out concentration, draw volume and U-100 syringe units from the vial strength, the liquid added and the dose.
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mcg to units converter
Converts between micrograms, milligrams, millilitres and U-100 syringe units at a given concentration.
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Vial duration calculator
Works out doses per vial, weeks of supply, the run-out date and the cost per dose.
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Bacteriostatic water calculator
Works out how much liquid to add to a vial so that a dose lands on a chosen number of syringe units.
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Tirzepatide and semaglutide units calculator
Converts a prescribed dose in mg to U-100 syringe units and mL using the concentration on a compounded vial label.
These calculators convert numbers you supply. They do not tell you what dose to take. Confirm amounts with your prescriber or pharmacist.
Keep the numbers with your log
Record each vial's strength and status in PepVault, next to every dose you log. Free for Android, iPhone, iPad and Mac.
For Android, iPhone, iPad and Mac. On the App Store the app is listed as PeptideMate.