Peptide & GLP-1 calculators Get the math right.
Exact syringe units for peptide and GLP-1 vials, from formulas we publish in full. A private tracker keeps every dose, on your phone only.
- Free to use
- No sign-up
- No vendor links
Reconstitution
Vial to syringe units
- Vial
- 10mg
- Water
- 2mL
- Dose
- 2.5mg
Draw to
50units0.5 mL
- Strength
- 5 mg/mL
- Each dose
- 0.5 mL
- Doses per vial
- 4
This is arithmetic, not medical advice. Confirm with your prescriber or pharmacist.
Use your own numbersCalculators
See allEvery tool runs on the same tested engine.
Start here
Reconstitution
Vial, water and dose to exact syringe units.
Open the calculator
- Bac waterWhat each water volume means for your draw.
- Units convertermg, mcg, mL and insulin units, both ways.
- Syringe readerWhere to draw on 30, 50 and 100-unit syringes.
- BlendPer-compound amounts in a multi-peptide vial.
- Tirzepatide unitsYour prescribed dose in syringe units.
- Semaglutide unitsYour prescribed dose in syringe units.
- Site rotationTrack where you inject and rotate sites.
Vial calculators
All vial sizesPre-filled with the vial size. You add the water and the dose your prescriber gave you.
Built to be checked
A reference, not a seller. Here is what that means in practice.
Formulas published and tested
Every result is plain arithmetic. We write the formulas out in full and check them with automated tests.
How our calculator worksRegulatory status on every compound
Each compound page states its current US status, the date we last checked it, and the source.
Browse compoundsNo vendors, no affiliate peptide links
We don’t sell, source or link to peptides or bacteriostatic water. You won’t find discount codes here.
About PeptinoteMedical review in progress
Pages will name a licensed reviewer once one has signed off. Until then they say so, and we never show a name you can’t verify.
Editorial policy
Guides
Plain-English explanations with sources, written for the moment the vial is in your hand.
Free, with Pro when you want more
Your private dose tracker
Save each vial once, log doses as you take them, and see what’s left before you run out. Your log is stored only on your device. Peptinote never receives it.
How we handle health data: Consumer health data policy
- Your vials, with the math already done
- Doses left, next dose and discard date at a glance
- Where you injected, on a body map
- A clean report to show your prescriber (Pro)
Free vial-math cheat sheet
Get the vial-math cheat sheet
One printable page: the formulas, how to read a U-100 syringe and worked examples. Free.