mg ↔ units

Semax mg to units converter

Set your Semax vial concentration once, then flip in either direction between milligrams and U-100 syringe units.

iPhone · Free to download

Last updated: May 13, 2026

Vial (mg)

Diluent (mL)

Dose (mg)

0.400

units

16.0

0.160

Concentration: 2.50 mg/mL (assumes a U-100 insulin syringe).

Semax quick reference: mg ↔ units

Bidirectional reference for a 5 mg Semax vial reconstituted with 2 mL BAC water (concentration 2.50 mg/mL).

Dose (mg)	Dose (mcg)	U-100 units
0.2	200	8
0.4	400	16
0.8	800	32
1.6	1600	64

Read across in either direction. The mg ↔ units relationship is linear at a fixed concentration — change vial size or BAC water and every row in this table moves.

Worked example

Semax mg ↔ units, both directions on one vial

Working from one 5 mg Semax vial mixed with 2 mL of bacteriostatic water → 2.50 mg/mL.
mg → units: 0.4 mg ÷ 2.50 × 100 = 16 units.
units → mg: 16 units ÷ 100 × 2.50 = 0.4 mg — round-trip exact, that's how you sanity-check a logged value.
mcg flip: 0.4 mg = 400 mcg, useful when the protocol writes the dose below the 1 mg threshold.
Every row here is specific to this vial; reconstitute with a different volume and you start from a different concentration.

Scenarios people actually run into

Three things that come up logging Semax

Protocol says 0.4 mg. Syringe says 16 units. Those are the same draw on this vial — and only on this vial.
Someone online says "Semax dose is 20 units." That number is meaningless without their vial mg and their diluent mL. Ignore the units number and convert from the mg.
Logged a dose in units last week and a dose in mg today. The mg ↔ units flip on this page is how you confirm both entries describe the same actual draw.

Same-category neighbor

Semax next to Selank

Both sit in the Cognitive bucket — here's the mg to-units math side by side on each one's example vial.

	Semax	Selank
Example dose	0.4 mg	0.3 mg
Concentration	2.50 mg/mL	2.50 mg/mL
Units to draw	16	12

Want the full breakdown? Selank reference →

Semax is a synthetic peptide that people use to support cognitive functions like memory and focus. It’s a modified piece of a naturally occurring hormone, but it’s designed to work primarily in the brain. Research in its country of origin, Russia, has explored its use in recovery from conditions like stroke, though data from large-scale international trials is limited. This page covers what Semax is, how it’s thought to work, and the common ways people track its use in research settings for brain health and mental performance.

How the Semax mg ↔ units converter works

Semax doses are written in mcg (300, 400, 600, 1000). This converter shows U-100 units at your vial concentration so each daily step matches the protocol exactly.

The formula in both directions: mg = mL × concentration mg/mL, and units = mL × 100 on a U-100 syringe. With a 2.5 mg/mL Semax solution, 0.4 mg comes out to 16 units, and 16 units comes out to 0.4 mg. The converter handles the unit flip automatically so you never multiply or divide in your head while holding a syringe.

Concentration is the input that changes the answer most. A 5 mg vial diluted with 1 mL is twice as concentrated as the same vial diluted with 2 mL, which means the same dose draws half as many units. That is the single biggest source of converter confusion: a remembered unit count from an old vial does not transfer to a new vial reconstituted with different water volume.

The "mg to Units" calculator is a specialized converter that focuses on one single, critical task: turning milligrams into syringe units. While peptides are measured by their mass (mg), insulin syringes measure volume (mL or Units). This calculator acts as a direct translator between the two. For your Semax research, once you’ve done the initial reconstitution, your vial has a fixed concentration, like 2.5 mg per mL in our example. The mg to Units tool uses this concentration to give you an instant answer for your daily injections. You simply input your desired dose of 0.4 mg, and it confirms the correct volume is 16 Units on a U-100 syringe.

This tool is particularly useful for its speed and simplicity, making your daily routine more efficient. Imagine you decide to adjust your dose based on your research findings. Instead of re-doing the entire reconstitution calculation, you can just pop the new milligram value into this converter and immediately get the new unit value. This is perfect for on-the-fly adjustments during a titration phase. For example, if you want to see what a slightly higher dose of 0.5 mg looks like, the calculator will instantly show you that it corresponds to 20 Units, making the change easy and error-free.

Ultimately, this calculator helps you think in both milligrams and units fluidly. You’ll learn to associate a certain feeling or cognitive effect with a specific mg dose, while knowing exactly what that looks like in your syringe. This dual-language ability is a hallmark of a careful and experienced peptide researcher. It reinforces the connection between the planned protocol and the physical act of dosing, ensuring that you maintain the highest level of accuracy throughout your Semax cycle. It’s a simple tool that provides immense value by guaranteeing your numbers are always correct.

Tracking Semax unit counts

Tracking your Semax protocol in Peptide Pilot is designed to be simple and precise. The first step is to set up your vial. You’ll navigate to the app’s dashboard, add a new peptide, and name it "Semax." The app will then ask for the vial details for your injectable version. Using our example, you would enter 5 mg for the total peptide in the vial and 2 mL for the amount of diluent (BAC water) you added. The app instantly does the math, calculating that your vial has a concentration of 2.5 mg/mL. This initial setup is the foundation for all your future dose tracking, ensuring that every log entry is based on accurate calculations without you having to do the math over and over again. It puts the important numbers right at your fingertips.

With your vial configured, logging your daily dose is effortless. Let's say your protocol calls for a 0.4 mg dose. You simply go to log a dose, enter 0.4 mg, and Peptide Pilot automatically tells you how much to draw into your U-100 insulin syringe: 16 Units. This removes the guesswork and a major potential for error. But tracking is more than just numbers. The app’s built-in journaling feature is where you can connect the dots. You can note the time of your dose and then jot down subjective feelings. Are you feeling more focused? Is your mood elevated? Is it easier to find words? Over a few weeks, these daily notes create a rich history of your personal response, helping you understand the subtle or significant effects of your research.

Semax is often used in cycles, and Peptide Pilot helps you manage this aspect of your protocol as well. You can easily see when you started your current cycle and how many days you’ve been on it. When you decide to take a planned break, you simply stop logging doses. The app will show a gap in your history, clearly marking your "off" period. This is incredibly useful for comparing how you feel during a cycle versus an off-cycle. It also helps you adhere to your planned protocol, reminding you to take those important breaks to maintain sensitivity and properly assess the peptide's impact. Using the app transforms your personal research from a haphazard process into a structured, data-rich project.

Common Semax mg ↔ units mistakes

Inaccurate reconstitution math, leading to consistently incorrect doses.

Frequently asked questions about Semax mg ↔ units

What's the formula behind this Semax mg ↔ units converter?

Both directions use the same concentration. Going mg → units: (dose mg ÷ concentration mg/mL) × 100. Going units → mg: (units ÷ 100) × concentration. For this Semax example at 2.50 mg/mL, 0.4 mg works out to about 16 units, and the same number of units converts back to 0.4 mg. Semax and Selank share dose ranges and cycle patterns — label vials clearly to avoid confusion.

Why does my Semax unit count not match a number I read online?

Almost always because the other source assumed a different vial concentration. A "Semax dose = 20 units" tip is meaningless without knowing whether the vial was reconstituted with 1, 2, or 3 mL of water. The converter on this page asks for your actual vial mg and diluent mL so the answer reflects your vial, not someone else's. Semax and Selank share dose ranges and cycle patterns — label vials clearly to avoid confusion.

Does the Semax converter handle mcg as well as mg?

Yes — 1 mg equals 1,000 mcg, and the converter does the unit flip automatically when you switch the input. This matters for peptides where typical doses sit below 1 mg: a 250 mcg Semax dose displayed as 0.25 mg is the same number, just easier to read. Semax and Selank share dose ranges and cycle patterns — label vials clearly to avoid confusion.

When would I convert Semax units back to mg?

Most often when checking a dose someone else recorded. Logs and protocols sometimes write the dose in units (because it's what shows on the syringe), other times in mg (because it's what the protocol step is named). The reverse direction lets you confirm a logged unit count actually matches the planned mg target before drawing the next dose. Semax and Selank share dose ranges and cycle patterns — label vials clearly to avoid confusion.

Related on Peptide Pilot

Save your Semax vial in the app

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