Peptigrity
Independent · 58 free calculators

Peptide tools, built on real data.

58 calculators for reconstitution, dosing, blends, and shop comparison, plus a testing planner. Every tool connects to live lab test data on Peptigrity — so you can verify what you're calculating against. Free and ad-free. The calculators need no account; the tracker needs a free one.

Total tools
60
Peptides covered
118
Lab tests connected
13,474
Cost to use
Free

Reconstitution & dosing

3 tools · core dosing math
Peptide Calculator
Flagship tool
Select a peptide, enter vial size and BAC water volume, and get exact syringe units, concentration, doses per vial, and protocol cost. Presets for 43 peptides · custom mode for all 118.
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Reconstitution Calculator
Simplified vial-to-syringe math with unit conversions and compound-specific reconstitution notes. For users who want fewer inputs than the flagship calculator.
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BAC Water Calculator
Calculate exactly how much bacteriostatic water you need based on vial size, target strength, and syringe type. Use this before reconstituting.
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Compound-specific calculators

45 tools · pre-loaded reference figures
Tirzepatide Calculator
GLP-1 / GIP
Tirzepatide reference figures with the 6-tier label titration table (2.5–15 mg weekly), vial size guide (5–60 mg), and syringe capacity warnings.
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Semaglutide Calculator
GLP-1
Semaglutide reference figures with the 5-tier label escalation table, unit conversion reference, and B12 compound guidance.
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Retatrutide Calculator
Triple-agonist
Retatrutide reference figures with the Phase 2/3 trial titration table and triple-agonist (GLP-1/GIP/glucagon) reference.
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BPC-157 Calculator
Tissue repair
BPC-157 reference figures by goal with oral vs injection guidance and Wolverine stack reference.
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GHK-Cu Calculator
Skin / hair
Injection reference figures by goal (skin, hair, healing) for 50–200 mg vials. Includes copper-tint normalcy notes.
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MOTS-C Calculator
Metabolic
Bolus, intermittent, and low-dose daily reference figures for metabolic research. Single-vial weekly dose modelled.
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Tesamorelin Calculator
GHRH analogue
Tesamorelin reference figures around the labelled 2 mg dose, with vial-duration planning and the Ipamorelin stack reference.
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Sermorelin Calculator
GHRH analogue
Sermorelin reference figures with the vial-size guide and the arithmetic that turns a vial and a water volume into syringe units.
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Ipamorelin Calculator
GH secretagogue
Ipamorelin reference figures at the microgram scale, with the reading-resolution problem a small draw creates and the CJC-1295 pairing.
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KPV Calculator
Anti-inflammatory
KPV reference figures with mcg-per-unit conversion across concentrations, plus the oral-versus-injection distinction our sources do and do not establish.
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Selank Calculator
Nootropic
Selank reference figures and unit conversion, with the intranasal route stated as far as the sources go and no further.
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Glutathione Calculator
Antioxidant
Glutathione reference figures for the large vial sizes it is sold in, where concentration rather than unit count is the thing to get right.
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Cagrilintide Calculator
Amylin analogue
Cagrilintide reference figures from the Phase 2 range and the CagriSema component amount, with every figure carrying its own evidence level.
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IGF-1 LR3 Calculator
Growth factor
Microgram-scale unit conversion for IGF-1 LR3 out of sub-milligram vials. Peptigrity publishes no IGF-1 LR3 dose; this converts the figure you enter.
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NAD+ Calculator
Not a peptide
Milligram-scale unit conversion for NAD+, a coenzyme rather than a peptide. There is no approved NAD+ dose; this converts the amount you enter.
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Thymosin Alpha-1 Calculator
Immune
Thymosin Alpha-1 reference figures around the approved Zadaxin label amount, with every figure carrying its own evidence level.
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SLU-PP-332 Calculator
Not a peptide
Container arithmetic for a small molecule with no human data: amounts per container, cost per amount, and concentration if you dissolve a powder vial.
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PT-141 Calculator
MC4R
PT-141 (bremelanotide) syringe arithmetic beside the Vyleesi label amount, with the label's own limits stated and no research dose.
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Liraglutide Calculator
GLP-1
Liraglutide unit arithmetic at the approved generic's 18 mg/3 mL strength, with the Saxenda label amount as the worked example.
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Survodutide Calculator
GLP-1 / glucagon
Survodutide unit arithmetic with the Phase 2 trial doses shown as reference figures, labelled as trial doses rather than recommendations.
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Kisspeptin Calculator
Reproductive
Kisspeptin concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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TB-500 Calculator
Tissue repair
TB-500 concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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Epithalon Calculator
Longevity
Epithalon concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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DSIP Calculator
Sleep
DSIP concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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AOD-9604 Calculator
GH fragment
AOD-9604 concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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HGH Fragment 176-191 Calculator
GH fragment
HGH Fragment 176-191 concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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Hexarelin Calculator
GH secretagogue
Hexarelin concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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GHRP-2 Calculator
GH secretagogue
GHRP-2 concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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VIP Calculator
Neuropeptide
VIP concentration and syringe-unit arithmetic, plus the intranasal strength per 0.1 mL. No dose is stated.
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Gonadorelin Calculator
GnRH
Gonadorelin concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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SS-31 Calculator
Mitochondrial
SS-31 (elamipretide) concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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PEG MGF Calculator
Growth factor
PEG MGF concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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Adamax Calculator
Neuro
Adamax (davunetide / NAP) concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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Thymalin Calculator
Bioregulator
Thymalin mass arithmetic only: it has no single defined sequence, so no molar figure is given. No dose is stated.
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Pinealon Calculator
Bioregulator
Pinealon concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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Cartalax Calculator
Bioregulator
Cartalax concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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Testagen Calculator
Bioregulator
Testagen concentration and syringe-unit arithmetic. No dose is stated; this converts the quantity you enter.
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Follistatin Calculator
Glycoprotein
Mass arithmetic for follistatin, a glycoprotein rather than a peptide, and why peptide unit arithmetic says nothing about its activity.
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Adipotide Calculator
Peptidomimetic
Mass arithmetic for adipotide, with the renal-toxicity signal from its human trial stated first. No dose is stated.
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Semax Calculator
Intranasal
Intranasal strength for a Semax solution: mg/mL and mcg in every 0.1 mL. No syringe units and no dose.
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Tesofensine Calculator
Not a peptide
Container arithmetic for tesofensine, an oral small molecule: amounts per container, no syringe units, no dose.
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5-Amino-1MQ Calculator
Not a peptide
Container arithmetic for 5-Amino-1MQ, a small molecule rather than a peptide: amounts per container, no syringe units, no dose.
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MK-677 Calculator
Not a peptide
Container arithmetic for MK-677, an oral small molecule: amounts per container, no syringe units, no dose.
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Dihexa Calculator
Peptidomimetic
Container arithmetic for dihexa, a peptidomimetic whose only stated route is oral: amounts per container, no syringe units.
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Orforglipron Calculator
Oral GLP-1
Container arithmetic for orforglipron, an approved oral GLP-1 prescription pill, with the prescription-versus-research-channel comparison.
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Blend calculators

6 tools · multi-peptide vials
Blend Calculator
Multi-peptide
Dose multi-peptide blend vials (GLOW, KLOW, CJC/Ipa, Wolverine, custom). One draw, every component's dose shown.
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BPC-157 + TB-500 Calculator
Wolverine
Wolverine stack blend reference figures with loading vs maintenance phases and standalone TB-500 reference.
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CJC-1295 / Ipamorelin Calculator
GH secretagogue
CJC-1295 (no DAC) + Ipamorelin blend reference figures, DAC vs no-DAC, and blend vs separate-vial comparison.
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GLOW Stack Calculator
3 components
GHK-Cu + BPC-157 + TB-500 in one vial. Set one component's amount and see what the other two deliver in the same draw, at either circulating composition.
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KLOW Stack Calculator
4 components
GLOW plus KPV — four components on a fixed ratio. Shows the full four-way draw, at either circulating composition.
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Tesamorelin + Ipamorelin Calculator
2 components
Tesamorelin + Ipamorelin at the 10:3 ratio in a 13 mg vial. Set the tesamorelin amount and see the ipamorelin that comes with it.
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Analysis & comparison

3 tools · cross-shop / cross-brand
Reverse Calculator
Convert syringe units back to mg/mcg, or find the BAC water volume for a target strength. Verify a draw before you make it.
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Cost-per-Dose Calculator
Cost per dose, per week and per month from the vial price you paid, with the live lowest and median $/mg across shops for your compound.
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Purity Comparison Tool
Live lab data
Compare tested purity across brands with the spread of results and measured quantity vs label, from the lab database.
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Tracking & records

2 tools · online and printable
Peptide Tracker
Free · online
Log a protocol week by week and check your vial's lot against lab tests on file. Private until you publish.
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Peptide Log Sheet
Printable
Free printable log sheet: vial, reconstitution, lot number and every dose on one page. No account, no app.
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Testing & planning

1 tool · which test, which lab
Testing Planner
New
Eight questions turn “I want my vial tested” into a plan: which test answers your question, what it costs, and which labs on file can run it — each with what it can’t do. Filters the lab directory; never ranks it.
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Related resources

How to test your peptidesBrowse testing laboratoriesBrowse peptidesBrowse shopsHow to reconstitute peptidesHow to calculate doses