Free Peptide Calculators & Research Tools
Looking for the best free peptide tools? This page brings together every free peptide calculator PeptideMind offers: a dosage calculator, a protocol builder, a Mounjaro click chart, and a semaglutide to tirzepatide conversion calculator, all in one place, no signup required.
Peptide Dosage Calculator
Work out your draw volume in mL and syringe units from your vial size, water amount, and target dose. Covers over 100 peptides.
Peptide Protocol Builder
Pick your compounds, set your research quantities, and build a full research schedule you can save, print, or share.
Mounjaro Click Chart & Dose Calculator
Turn your Mounjaro pen strength and dose into an exact click count, liquid amount, and doses remaining per pen.
Semaglutide to Tirzepatide Conversion Calculator
See an estimated dose range when comparing semaglutide and tirzepatide, in either direction. A learning tool, not a switching plan.
Why Use a Free Peptide Calculator
A good peptide calculator saves you from manual math and shows your result in a way you can actually use at the bench.
Skip the manual math
Working out mg to mL by hand is easy to get wrong. A free peptide calculator does the same math instantly and shows you exactly where each number came from.
See your result on a real syringe scale
Instead of just a number, our tools show your draw volume on a visual syringe or pen so you know exactly where to draw to.
Free to use, nothing to sign up for
Every tool on this page is free and works without an account. Create a free account only if you want to save your results for later.

Which Peptide Tool Should You Use?
Each tool on this page is built for a different job. Here's how to pick the right one for what you're doing.
Mixing a peptide from a vial
If you're reconstituting a peptide with bacteriostatic water, start with the peptide dosage calculator. It covers vial size, water volume, and target dose for over 100 compounds.
Planning a research cycle
If you're setting up a full schedule with more than one compound, the protocol builder lets you pick compounds, set quantities, and lay out the whole cycle at once.
Using a Mounjaro pen
If you're working with a Mounjaro (tirzepatide) pen and counting clicks, the Mounjaro click chart turns your pen strength and dose into an exact click count.
Comparing semaglutide and tirzepatide
If you're trying to understand how a semaglutide dose compares to a tirzepatide dose, the conversion calculator shows an estimated range in either direction.

Frequently Asked Questions About Our Peptide Tools
Straight answers on which peptide calculator to use and how accurate the results are. For research reference only.