Peptide Calculator for iPhone
On iPhone, the simplest peptide calculator is this site in Safari: no download, no account, and it can sit on your Home Screen like an app. The Peptide Library iPhone app is for tracking and research and doesn’t include a calculator.
Peptide Calculator for iPhone
The total printed on the vial.
Bacteriostatic water or other diluent, in mL.
The calculator never suggests an amount.
Used to round to the nearest marking you can actually read.
Enter the vial amount, the liquid added and your target amount.
Arithmetic only: it never suggests or assesses an amount. Nothing you type leaves your browser.
Add it to your Home Screen
- Open bestpeptidecalculator.app in Safari.
- Tap the Share button.
- Choose Add to Home Screen, then Add.
It opens full-screen from its icon. Calculations run on the phone itself, and nothing you type is sent anywhere.
What the Peptide Library iPhone app does
The Peptide Library iPhone app keeps your research record: schedules and reminders, a calendar and logs, inventory with run-out dates, a journal, body metrics and progress photos, Apple Health weight import, widgets and an Apple Watch app. It has no calculator, so work the numbers out here and record them there.
Peptide Library also has a detailed guide to using a peptide calculator on iPhone, including installing its website as a web app.
Frequently asked questions
Is there a peptide calculator app for iPhone?
This web calculator works in Safari and can be added to the Home Screen. The Peptide Library iPhone app doesn’t include a calculator.
Does it work with large text sizes?
Yes. The layout follows your iPhone’s text size and works in light and dark mode.
Do I need an account?
No. The calculator needs no account. Peptide Library’s tracking features use a free account.
Related calculators and guides
- CalculatorCalculator appWhere to use a peptide calculator on each device: this free web calculator, Peptide Library on the web and Android, and what the iPhone app doesn’t include.
- CalculatorAndroidUse this free peptide calculator in Chrome on Android, or the Peptide Library Android app, which includes calculators and saves calculations with tracking.
- CalculatorReconstitution calculatorWork out concentration after adding bacteriostatic water, then the mL and U-100 units for any amount.
- GuideHow to Use a Peptide CalculatorA step-by-step guide to using a peptide calculator: the three numbers you need, how to read the result, and how to check the answer yourself in under a minute.
Powered by Peptide Library
Keep a record, not just a result
Peptide Library is the free research and tracking platform behind this calculator, on the web, iPhone and Android.
- Schedules and remindersPlan entries and get reminded, with a calendar of past and upcoming ones.
- Logs and journalA history of every entry, with notes and check-ins.
- InventoryWhat’s left in each vial, with run-out and reorder dates.
- Research libraryProfiles for 200+ peptides, side-by-side comparison and human evidence summaries.
Get the app: App Store (tracking, no calculator) · Google Play (tracking and calculators)
Last reviewed · How the calculations work