What is this site?
Peptide Calculator Pro is a free online toolkit for peptide reconstitution and dose conversion. Enter the vial amount, water added, and the intended dose to get U-100 syringe units, plus concentration, peptide per unit, and doses per vial. Calculations run in the browser with no account required. The site states educational and informational use only—not medical advice.
Core features
- Peptide calculator: convert vial amount, diluent volume, and dose into volume and U-100 units
- Reconstitution calculator: choose target units first, then solve for bacteriostatic water to add
- mg/mcg conversion; when both vial and dose use IU, the same unit path applies
- Results show concentration, peptide per unit, doses per vial, and warnings for draws that are too small or too large
- Formulas and worked examples are published for paper checks
- Free, no signup; the main site says numbers stay in the browser
Common use cases
- After mixing a vial, read syringe units for a planned dose
- Before opening a vial, plan water volume so each draw lands on readable marks
- Cross-check labels that mix mg and mcg to reduce decimal errors
- Learn the difference between U-100 volume units and biological IU
- Recheck results against the published formulas by hand
Who is it for?
- Lab or research users who need reconstitution and dose-to-syringe conversion
- Beginners who want concentration–volume–unit relationships clear before mixing
- People who prefer a browser tool over installing desktop software
- Poor fit: medical prescribing, automatic peptide/protocol recommendations, or clinical decisions that require a licensed clinician/pharmacist
- Also poor fit: cloud medication logs or collaborative prescribing systems
How does it compare to similar tools?
Match the job instead of chasing a “best” ranking:
- Browser arithmetic, public formulas, no account: this site focuses on instant conversion and reverse reconstitution
- EHR, prescription workflows, or regulated medication management: use clinical systems, not this site
- Full clinical dosing loops: this site only does math and does not replace labels or professional judgment
- Any medication step should follow the product label and a licensed professional
FAQ
Q: Is Peptide Calculator Pro free? Do I need an account?
A: The site says it is free, needs no account, and runs in the browser.
Q: Are syringe “units” the same as IU?
A: No. U-100 units are volume marks (1 mL = 100 units); IU measure biological activity. Select IU for both vial and dose when labels use IU—do not mix mg with IU.
Q: Does adding more water change the peptide dose?
A: No. Water only changes concentration; the same peptide dose maps to different draw units.
Q: Can I treat the result as a medical order?
A: No. The site is for educational use; doses must be confirmed by a licensed healthcare professional.
