Peptide reconstitution calculator
Free peptide reconstitution and dosage calculator.
Two fields, no steps. Change either value and the whole-mL water options and U-100 syringe units update with it.
- Whole-mL water volumes you can measure
- Units read straight from a U-100 barrel
- Nothing typed here is stored or sent anywhere
Enter the target amount from your label, clinic, or protocol.
mg
Add BAC water
—
Confirm both values first
Draw to
—
U-100 scale
Keep this result
Save this calculation on your iPhone
The native app can save vials after you confirm these values there.
Use an instructed water volume
mL
Enter only the volume from your product instructions or licensed clinician.
Dilution arithmetic only. Follow your product instructions or licensed clinician when they name a different water volume. U-100 scale only.
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Calculator by The Peptide App peptide calculator
Calculator by peptide
Open a named calculator, enter the amount from your instructions, and confirm the vial size printed on your label. Common vial-size shortcuts are optional and must still match the product in front of you. You can also browse the full peptide library or see how The Peptide App keeps your verified setup, reminders, and protocol log together.
See the formula, assumptions, and limitations
Our public methodology shows every conversion step, what the calculator stores, and when the result should not be used.
Read the methodology
Check the supporting guidance
Keep the arithmetic separate from product instructions. Use the public formula, label-first reconstitution context, and storage checklist when you need more than the conversion result
How to reconstitute a peptide
A plain-English walkthrough, for research and educational purposes only.
1
Confirm the target amount
Use the amount and mg or mcg unit from your label, prescription, protocol, or professional guidance. Named calculator pages leave this field blank until you enter it.
2
Check the vial label
Enter the total peptide amount printed on the vial. Common-size shortcuts are optional and are not a substitute for checking the label in front of you.
3
Review the dilution scenarios
The calculator compares supported whole-mL scenarios and shows the U-100 conversion for each. A displayed water volume is arithmetic, not a preparation recommendation
4
Use instructed values when they differ
If your product instructions or licensed professional specify a BAC-water volume, enter it in the instructed-volume field and follow that value instead of a displayed arithmetic option. This calculator converts only on a U-100 scale.
5
Label and store the vial
Write down the concentration and the date you mixed it, then follow the storage guidance that came with the product.
Frequently asked questions
- What is The Peptide App?
The Peptide App is an iPhone app that brings a peptide calculator, guided reconstitution, protocol planning, dose reminders, logging, and progress tracking into one workflow. You can also use the free web peptide calculator or browse the peptide library without downloading the app.
- I've never used peptides before. Is this app for me?
Absolutely! The Peptide App is designed specifically for first-time users. We guide you through every step—from reconstitution to injection—with video tutorials that make it impossible to mess up.
- Is there a free peptide calculator in the app?
Yes. The Peptide App includes a peptide reconstitution calculator that converts the vial amount, diluent volume, and instructed amount you enter into concentration, mL, and syringe units. It performs the arithmetic; it does not choose an amount or preparation for you. You can also try the free web peptide calculator or browse the peptide library without downloading anything.
- What makes The Peptide App different from other peptide apps?
The Peptide App connects calculations with the rest of the workflow: guided reconstitution, protocol planning, dose reminders, logging, peptide profiles, and progress tracking. That means your calculator, schedule, and protocol record can stay together instead of living in separate notes and spreadsheets.
- How does the reconstitution calculator work?
Simply input your vial amount (in mg) and we calculate the exact amount of bacteriostatic water needed. Then follow our step-by-step video guide for a perfect reconstitution every time.
- How do you vet your vendor partners?
We thoroughly review each vendor for third-party testing, proper storage and shipping practices, customer reviews, and business legitimacy. Only vendors meeting our strict standards make it into our marketplace.
- Is my health data secure?
Your privacy is our priority. All data is encrypted end-to-end and stored securely. We never share your personal health information with third parties. You’re in complete control of your data.
- What peptides does the app support?
We support all popular peptides including BPC-157, GLP-1 agonists (semaglutide, tirzepatide), TB-500, CJC-1295, and more. Our protocol library is constantly expanding based on user needs.
This calculator is for research and educational purposes. It does not diagnose, treat, prescribe, or replace guidance from a licensed professional. Always follow the instructions provided with your product.