Professional Peptide Calculator in your pocket
Get precise measurements for peptide reconstitution and dosage calculations. Create custom schedules with reminders, load preset GLP-1 medications instantly, and optimize multi-peptide blends like the Glow & Klow Protocols. No ads, works offline, syncs across devices.
Everything you need to stay on schedule
Map every dose, stack, and schedule in one place. PeptideCalc.io pairs precise calculations with scheduling, reminders, and injection tracking so you never miss a protocol milestone.
- Smart Scheduling
Visual calendar, countdown view, and notifications keep every peptide, GLP-1, or custom blend on time.
- Medication Library
Start faster with preset routines for Ozempic®, Wegovy®, Mounjaro®, Retatrutide®, Cagrilintide®, and more.
- Injection Tracking
Log rotation sites, mark doses done or skipped, and unlock celebration moments that reinforce your streak.
Stay on schedule without second guessing
Build flexible dosing calendars for every peptide in your stack. Weekly, bi-weekly, or fully custom cadences slot into a personal calendar that keeps Ozempic®, Wegovy®, Mounjaro®, and custom blends side by side.
Countdown timers, reminders, and adherence trends surface the next dose before you need it. Mark a dose done, missed, or skipped, and the schedule adapts instantly so you always know what’s next.
Schedule
October 2025
Upcoming doses
BPC-157
in 2 days · 8:00 AM
Ozempic®
Next Saturday · 8:00 AM
Cagrilintide
in 5 days · 7:30 AM
Load the right dose in seconds
Tap into a medication library pre-loaded with popular GLP-1 protocols and tri-peptide blends, then customize every parameter to match your regimen. Inline edits recalculate instantly so you always know the exact draw.
Save unlimited plans, prioritize favorites, and keep variants ready for every patient or personal stack. Import and export JSON, and rely on iCloud sync to mirror updates across devices automatically.
Track every injection with confidence
Rotate sites with smart suggestions, add custom locations like glutes and lats, and review your history in one tap. Flexible units, syringe formats, and party mode confetti keep dosing precise and motivating.
Prefer dark mode? Need decimal commas or larger text? Toggle the interface to match your preferences and stay focused on the protocol, whether you’re at home, in clinic, or traveling.
Third Dose Logged!
You’re on fire—three doses logged with perfect consistency. Keep that streak alive!
Private, offline, and built for momentum
PeptideCalc.io works completely offline with no accounts, ads, or analytics collecting your data. Everything stays encrypted on-device and can be exported whenever you need a backup.
Regular updates add the features the community requests most—from iCloud sync enabled by default to smarter scheduling workflows—so you can focus on adherence, not admin.
Trusted by Researchers Worldwide
Join thousands of satisfied researchers using PeptideCalc.io for their daily calculations
Really loving this app. Now I can easily track all my peptides in on place! 5 Stars!! I tried a few others (iOS and web based) but they all were either missing something I wanted or the UI was lame. Loving this app.
-dragons