PepCalc: The top-rated peptide calculator app! As featured on leading podcasts including Ben Greenfield, Data Driven Radio, and more.
Stop the guesswork! PepCalc is the simplest way to get peptide reconstitution right. Instant per unit or tick mark results, saved protocols for repeatable calculations, multi-peptide blend support, and smart conversions. Download PepCalc and get answers in seconds.
How it works:
1. Enter your peptide amounts and water volume. 2. Choose your units and tick marks. 3. See instant results.
Features:
FLEXIBLE INPUTS: Set peptide amounts, water volume, units and tick marks, and target amount.
PRESETS: Choose 100-unit or 40-unit scales for fast setup, or use fully custom inputs for any volume.
MULTI-PEPTIDE BLENDS: Add unlimited peptides to a single volume and calculate each automatically for complex research.
SMART CONVERSIONS: Instantly switch between mcg, mg, and g without re-entering data.
SAVED PROTOCOLS: Save favorite calculations with names and notes for fast recall. No more retyping.
THEMES: Multiple themes with light and dark mode support to suit everyone's preferences.
PRIVATE BY DESIGN: No signup required. No ads. Your data remains on your device.
DISCLAIMER: PepCalc is for research and educational purposes only. Not for medical use. This app does not provide medical advice.
Latest version
Version
57.1
Update
Aug 6, 2026
Package ID
awesomelabs.pepcalc.app
What's new
Aug 6, 2026
• NEW! PROTOCOL SHARING & IMPORT: Create & share beautiful protocol images directly via social media, chat & email that other PepCalc users can import directly via link or QR code • UNLIMITED MIXES: Add and name as many peptides as needed • NEW RESEARCH TAB: Your peptide reference, inside PepCalc • REBUILT PROTOCOLS: Faster flow to save, rename, & update favorites • THEME IMPROVEMENTS: Brighter, more readable accent color in dark mode • SHARE: Share PepCalc with a friend from the More tab