MyPeptica
✦ 100% Free CalculatorNo account needed to calculate

Reconstitute peptides with zero guesswork.

Dial in your peptide amount, water, and target dose — watch the vial fill, the syringe draw, and your exact units appear in real time.

Start calculating →Browse peptide presets
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Live concentration
2,500 mcg/ml
20 units to draw
2,500
mcg/ml
Peptide Dosage CalculatorLive — updates as you type
① Your inputs
mg
1 mg100 mg
ml
0.5 ml20 ml
mcg
50 mcg5000 mcg
Syringe type
② Live visualisation
2,500
mcg/ml
2,500
concentration mcg/ml
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③ Your results
✦ Concentration
2,500 mcg/ml
2.50 mg/ml · ready to draw
✦ Draw into syringe
20 units
= 0.20 ml · for a 500 mcg dose
Doses / vial
10
Per 0.1 ml
250 mcg
Dose vs UnitsLive

How many units to draw across the dose range — at your current concentration.

Units to drawYour dose
Weekly usageProjection

Estimated volume drawn per day across a 7-day protocol.

Volume / day (ml)
Remaining peptideBurn-down

How your vial depletes dose-by-dose until it runs out.

mg remaining

Advanced mode

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Peptide library

Load a preset, calculate instantly

Search the library, tap any peptide to pre-fill the calculator, or add your own.

BPC-157

5mg · 2ml · 250mcg

Healing

TB-500

5mg · 2ml · 500mcg

Recovery

BPC-157 / TB-500 blend

10mg · 2ml · 500mcg

Recovery

KPV

5mg · 3ml · 250mcg

Healing

ARA-290

8mg · 2ml · 500mcg

Recovery

LL-37

5mg · 2ml · 100mcg

Immune

CJC-1295

5mg · 2ml · 300mcg

Growth

CJC-1295 DAC

5mg · 2ml · 1000mcg

Growth

Ipamorelin

5mg · 2ml · 300mcg

Growth

Sermorelin

5mg · 2ml · 300mcg

Growth

Tesamorelin

10mg · 2ml · 1000mcg

Growth

GHRP-2

5mg · 2ml · 200mcg

Growth

GHRP-6

5mg · 2ml · 200mcg

Growth

Hexarelin

5mg · 2ml · 200mcg

Growth

IGF-1 LR3

1mg · 1ml · 50mcg

Growth

IGF-1 DES

1mg · 1ml · 50mcg

Growth

Semaglutide

3mg · 1.5ml · 250mcg

Metabolic

Tirzepatide

10mg · 2ml · 2500mcg

Metabolic

Retatrutide

12mg · 2ml · 2000mcg

Metabolic

Cagrilintide

5mg · 2ml · 300mcg

Metabolic

AOD-9604

5mg · 2ml · 300mcg

Metabolic

MOTS-c

10mg · 2ml · 1000mcg

Metabolic

SLU-PP-332

5mg · 2ml · 500mcg

Metabolic

Selank

10mg · 2ml · 500mcg

Cognitive

Semax

10mg · 2ml · 500mcg

Cognitive

Dihexa

5mg · 2ml · 200mcg

Cognitive

Pinealon

10mg · 2ml · 1000mcg

Cognitive

Epitalon

10mg · 2ml · 1000mcg

Longevity

Thymosin Alpha-1

5mg · 2ml · 500mcg

Immune

NAD+

100mg · 5ml · 5000mcg

Longevity

Glutathione

200mg · 5ml · 5000mcg

Longevity

SS-31

10mg · 2ml · 1000mcg

Longevity

PT-141

10mg · 2ml · 1000mcg

Sexual

Melanotan II

10mg · 2ml · 250mcg

Skin

Kisspeptin-10

5mg · 2ml · 200mcg

Sexual

GHK-Cu

50mg · 5ml · 2000mcg

Skin

DSIP

5mg · 2ml · 250mcg

Sleep

How it works

From powder to perfect dose in four steps

1

Enter your vial

Tell us the peptide amount in mg and how much bacteriostatic water you'll add.

2

Set your dose

Slide to your target dose in mcg. Concentration updates live as you go.

3

Read your draw

We show the exact units to pull on your chosen syringe — with a visual guide.

4

Save & track

Save protocols, export a PDF, and watch your vial burn-down over time.