PepDose: Peptide Calculator

Calculate any peptide dose in seconds with our visual dual-syringe. The calculator is always 100% free. Upgrade to Pro to track your vials, log doses, and never miss.

DISCLAIMER: PepDose is a mathematical volume calculator utility. It is not a medical device and does not provide medical advice, diagnosis, or treatment. Always consult your prescribing physician for your correct dosage and follow their instructions.

Never second-guess your peptide math again.

PepDose instantly calculates exactly how many units to draw on your insulin syringe—no more Reddit math, no more spreadsheets, and no more guessing. Simply enter your vial size and water volume, and let the app do the rest.

RECONSTITUTION CALCULATOR • Enter your vial size (mg), water volume (mL), and desired dose (mcg or mg). • Instantly see exactly how many units to draw. • Visual dual-syringe UI shows your exact fill line for both 100-unit (1mL) and 50-unit (0.5mL) syringes side-by-side. • Quick-select presets pre-fill vial sizes for common peptides like Semaglutide, Tirzepatide, BPC-157, TB-500, and more. • Built-in mg/mcg toggle prevents conversion mistakes.

DOSE LOGGING & TRACKING • Log every injection with the exact date, time, and dose amount. • Complete chronological dose history at your fingertips.

VIAL INVENTORY MANAGEMENT • Track the active liquid remaining in your vials. • See a visual progress ring of how many doses you have left. • Automatically track reconstitution dates and calculate 28-day expiration windows.

PRIVACY FIRST Your data is your business. PepDose uses local on-device storage. We do not require an account, we do not collect your health data, and we do not run analytics.

Privacy Policy: https://mmglabs.co.uk/privacy
Terms of Use: https://mmglabs.co.uk/terms