Enter Your Information
Your Dosage Calculation
Your Peptide Concentration
3.33 mg / mL
Total: 10mg (0.0100 g) in 3mL · Retatrutide
Dose Amount
Peptide mass per injection — mg, mcg, grams, and fraction of 1 g
2500 mcg · 0.0025 g · 1/400 g · 1/4 of vial
2.50 mg
Injection Volume
The amount to inject
75 units
0.75 mL
Doses per Vial
How many doses in your vial
4 doses
Vial Duration
How long your vial will last
28 days
4 weeks
Always follow your healthcare provider's protocol. This calculator is for research purposes only.
How to Use This Calculator
1. Enter Information
Fill in peptide amount, water volume, desired dose, and frequency.
2. Calculate
Press Calculate Dosage to generate concentration and draw volume.
3. Draw & Inject
Draw the calculated volume using an insulin syringe scale.
4. Repeat
Follow your schedule until the vial is finished, then reconstitute again.
Common Reconstitution Guidelines
Concentration (mg/mL) by peptide amount and bacteriostatic water.
| Peptide Amount | 1 mL | 2 mL | 3 mL | 5 mL |
|---|---|---|---|---|
| 5 mg | 5.00 | 2.50 | 1.67 | 1.00 |
| 10 mg | 10.00 | 5.00 | 3.33 | 2.00 |
| 12 mg | 12.00 | 6.00 | 4.00 | 2.40 |
| 15 mg | 15.00 | 7.50 | 5.00 | 3.00 |
| 20 mg | 20.00 | 10.00 | 6.67 | 4.00 |
Understanding Units
Milligrams measure peptide weight; milliliters measure liquid volume.
Milligrams (mg)
The weight of peptide in the vial.
Milliliters (mL)
The volume of liquid you inject.
100 units on an insulin syringe = 1 mL
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Disclaimer
This tool is for research and informational purposes only. It is not medical advice. Always consult a qualified healthcare professional and follow your provider's protocol before making any decisions related to peptide research or use.