Dropwise – Peptide Calculator

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About this app

Stop doing vial math in your head. Dropwise is the clean, precise dosing companion built for peptide and compound users who care about accuracy.
🔬 PEPTIDE CALCULATOR

Input your vial size and BAC water amount — Dropwise calculates concentration and exact draw volume in real time. Pre-fill from the Dosing Guide with one tap.
💧 OIL & EOD CALCULATOR

Oil-based compounds on an every-other-day schedule? Dropwise handles the weekly totals and per-draw amounts automatically.
📖 DOSING GUIDE

A curated reference of common peptides with typical dosing ranges and schedules. Tap any protocol to pre-load it into the calculator.
💉 SYRINGE GUIDE

Gauge and needle length reference at a glance. Includes common supply recommendations so you're always prepared.
⏰ REMINDERS & CALENDAR SYNC

Set dose reminders via push notification and add them directly to your calendar. Never miss an injection.
📋 DOSE LOGS

Track every dose — compound, amount, date — stored locally and privately on your device.
Dropwise is a reference and calculation tool. It is not a substitute for medical advice.
Updated on
Jul 22, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

Welcome to Dropwise — your precision peptide reconstitution and dosing calculator.

- Peptide Calculator: reconstitute vials and calculate exact draw amounts
- Oil & EOD Calculator: oil-based compound draws and every-other-day dosing
- Dosing Guide: common peptides, protocols, and reference doses
- Logs & Protocol Tracker: record every administration and track vial volume
- Dose Reminders: push notifications and calendar integration
- Syringe Guide: gauge reference and supply links