Free Tool

Peptide Calculator

Turn a vial and a volume of bacteriostatic water into the exact mark to draw to. Concentration, millilitres, syringe units and administrations per vial, calculated live.

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Reconstitution & dosage calculator

Change any field. Everything recalculates instantly.

mg
mL
Draw to this mark
units
mL · per
050u100u
Concentration
Per syringe unit
Administrations per vial

Open the full calculator with step-by-step explanation →

What a peptide calculator does

A lyophilized peptide vial arrives as dry powder. The label tells you how many milligrams are inside, but not what to draw, because that depends on a decision you have not made yet: how much bacteriostatic water to add.

Once you choose that volume, three numbers follow automatically. Concentration is the peptide divided by the water. Draw volume is your target amount divided by that concentration. Syringe units are the draw volume scaled to your syringe, where a U-100 barrel marks 100 units per millilitre.

The arithmetic is simple. The errors are not, because the units keep shifting: labels in milligrams, targets in micrograms, volumes in millilitres, syringes in units. Most mistakes are conversion slips, not maths failures. That is the specific problem this tool removes.

Worth knowing. Adding more water never reduces how much peptide you have. It spreads the same quantity across a larger volume, which makes each draw physically bigger and easier to read. That is the single most useful lever when a measurement feels too small to trust.

Per-compound calculators

Each page loads with typical vial values for that compound, plus reported ranges and cited research.

GHK-Cu calculatorA naturally occurring copper-binding tripeptide studied for skin remodeling, collagen support, and…Copper-binding tripeptideKlow calculatorA four-peptide research blend combining KPV, GHK-Cu, BPC-157, and TB-500 for multi-pathway tissue and…Multi-peptide research blend…Glow calculatorA three-peptide research blend of GHK-Cu, BPC-157, and TB-500 studied conceptually for complementary…Multi-peptide research blend…Retatrutide calculatorAn investigational triple hormone-receptor agonist studied in phase 2 trials for obesity and metabolic…Incretin-pathway triple agonist…MOTS-c calculatorA 16-amino-acid mitochondrial-encoded peptide studied for metabolic homeostasis, insulin sensitivity…Mitochondrial-derived peptide (MDP)Tesamorelin calculatorA synthetic GHRH analog studied, and approved in a specific HIV lipodystrophy indication, for reducing…Growth hormone-releasing hormone…KPV calculatorA tripeptide fragment of alpha-MSH researched for potent anti-inflammatory signaling with minimal…Melanocortin-derived anti-inflammatory…SS-31 calculatorA synthetic tetrapeptide that binds cardiolipin to support mitochondrial cristae structure and…Mitochondria-targeting tetrapeptide…Wolverine calculatorA two-peptide research blend of BPC-157 and TB-500 combining gastric pentadecapeptide and thymosin…Dual repair-peptide research blendOxytocin calculatorA nine-amino-acid neuropeptide and hormone studied across obstetrics, social neuroscience, pain…Endogenous nonapeptide hormoneNAD+ calculatorNAD+ is a central redox coenzyme studied for mitochondrial signaling, aging biology, and cellular…redox coenzyme and NAD biology…Sermorelin calculatorSermorelin is a synthetic GHRH fragment studied for pulsatile growth hormone release and…growth hormone-releasing hormone…Glutathione calculatorGlutathione is an endogenous tripeptide studied for redox balance, oxidative stress markers, and…endogenous antioxidant tripeptidePT-141 (Bremelanotide) calculatorPT-141 is a melanocortin agonist studied for central arousal signaling and MC4R-linked neurobiology.melanocortin receptor agonist peptideBPC-157 calculatorBPC-157 is a gastric pentadecapeptide studied in preclinical models of tissue integrity, angiogenesis…synthetic gastric pentadecapeptideDSIP calculatorDSIP is a small neuropeptide studied for sleep architecture, stress physiology, and neuroendocrine…sleep-associated neuropeptideTirzepatide calculatorTirzepatide is a dual GIP and GLP-1 receptor agonist studied for incretin signaling, weight, and…dual incretin receptor agonist peptideSelank calculatorSelank is a tuftsin-derived heptapeptide studied for anxiolytic-like, cognitive, immune, and…synthetic heptapeptide anxiolytic…AOD-9604 calculatorAOD-9604 is an hGH 177-191 fragment studied for lipid metabolism, fat oxidation, and cartilage models.human growth hormone C-terminal…Epitalon calculatorEpitalon is a pineal tetrapeptide studied for telomerase activity, cellular aging markers, and…synthetic pineal tetrapeptideCagrilintide calculatorA long-acting amylin analogue studied for once-weekly appetite and weight-regulation research.Long-acting amylin receptor agonistIpamorelin calculatorA selective ghrelin-receptor pentapeptide studied for pulsatile growth-hormone release with relatively…Growth hormone secretagogue…Lipo-C calculatorA compounded MIC+B12 blend studied and used in metabolic/wellness research contexts, not a single…Compounded lipotropic nutrient blend…Melanotan II calculatorA cyclic α-MSH analogue studied for melanocortin-receptor pharmacology, pigmentation biology, and…Synthetic cyclic melanocortin…Cartalax calculatorA synthetic Ala-Glu-Asp tripeptide from the Khavinson bioregulator family studied for cartilage and…Ultrashort peptide bioregulator…ARA-290 calculatorAn 11-amino-acid EPO-derived peptide studied for tissue-protective and neuropathic repair signaling…EPO-derived innate repair receptor…Semax calculatorA seven-amino-acid ACTH fragment analogue studied mainly via intranasal routes for neuroprotective and…Synthetic ACTH(4-10) heptapeptide…5-Amino-1MQ calculatorA membrane-permeable NNMT inhibitor studied in obese mouse models for NAD+/metabolic and adipose…Small-molecule NNMT inhibitor…SLU-PP-332 calculatorA preclinical pan-ERR agonist studied as an exercise-mimetic metabolic tool compound in cells and mice.Synthetic pan-estrogen-related…SNAP-8 calculatorA topical acetyl octapeptide studied in cosmetic science as a SNAP-25–related expression-line research…Topical cosmetic neurotransmitter-inhi…TB-500 calculatorA synthetic fragment related to thymosin beta-4, studied for cell migration, actin regulation, and…Actin-binding repair peptideSemaglutide calculatorA GLP-1 receptor agonist peptide studied for incretin signaling, appetite regulation, and metabolic…Long-acting GLP-1 receptor agonist…HCG calculatorA placental glycoprotein hormone researched for LH/hCG receptor biology, steroidogenesis, and…Glycoprotein gonadotropin hormoneCJC-1295 calculatorA synthetic GHRH analog researched for prolonged GH and IGF-1 stimulation, including albumin-binding…Long-acting GHRH analogThymosin Alpha-1 calculatorA 28-amino-acid thymic peptide studied for T-cell maturation, innate immune tone, and host-defense…Thymic immunomodulatory peptideAICAR calculatorA cell-permeable nucleoside analog used to activate AMPK and probe metabolic stress signaling in…AMPK-activating nucleoside analogHexarelin calculatorA potent hexapeptide GHRP studied for GH release via ghrelin-receptor pathways, with additional…Synthetic growth hormone secretagogue…Survodutide calculatorAn investigational dual GCGR/GLP-1R agonist studied in obesity and metabolic liver-disease clinical…Dual glucagon and GLP-1 receptor…Adipotide calculatorA prohibitin-targeting peptidomimetic studied for selective disruption of white-fat vasculature in…Targeted adipose-vasculature…Tesofensine calculatorA serotonin-noradrenaline-dopamine reuptake inhibitor researched for appetite suppression and obesity…Triple monoamine reuptake inhibitor…

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The support assistant walks through reconstitution and syringe reading step by step.

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