Important NoticeThis app is for educational purposes only. You must be 18+ to use it. We do not sell any peptides on this site.

Free on iOS & Android

The peptide calculator
you'll actually use.

Dose in seconds. Track every vial. Explore 100+ peptides.Built for people who take their protocols seriously.

App Store
Android
50K+ users4.9★ rating100% free
Peptide Calculator

How It Works

Three screens.
Everything you need.

Step 01

Calculate

Dial in your syringe, strength, water volume, and dose. Get instant draw units and volume — no math required.

Calculate
Step 02

Track

Log every vial with streaks, schedules, and blend breakdowns. Know exactly what you have and when to re-dose.

Track
Step 03

Discover

Browse 100+ peptides with mechanisms, half-lives, and usage info. Buy from trusted vendors right in the app.

Discover
“This has hit the sweet spot of helping me get faster without the hassle.
Verified User Review
Vial Detail

Precision Dosing

No more
guesswork.

Every input feeds a real-time calculation engine. Pick your syringe, dial your dose, and the app tells you exactly where to draw.

🔢Auto-calculate by syringe type
💧Input strength & BAC water
💉30, 50, and 100-unit syringes
mcg / mg toggle
📊Real-time draw output

Interactive Tool

Draw & Vial Calculator

1

Syringe Type

2

Peptide Strength

3

BAC Water

GLP-1s: 2–3 mL · Peptides: 3 mL

4

Dose

0.1 mg = 100 mcg (μg)

Syringe Preview

Your Results

Peptide Dose0.10 mg
Draw Volume0.05 mL
Syringe Mark5 units
Total Draws10 draws
Concentration2.00 mg/mL

Results update in real-time

Explore

Featured Peptides

View All

Built Different

Features that matter.

Vial Calculation Engine

Compute vial usage from peptide strength, reconstitution volume, and target quantity — instantly.

Multiple Peptide Support

Manage multiple peptides simultaneously for advanced stacking.

Custom Unit Selection

Toggle mg and mcg with unit-aware calculations.

Real-Time Visual Outputs

Immediate visual feedback on how much to draw per injection.

Save & Reuse Plans

Save custom vial calculations and access them later.

Optimized for Mobile

Built for quick input, dark mode, and clean visual feedback on any screen.