Peptide dosing

Reconstitution Calculator

Vial strength, diluent, and syringe in — exact dosage per unit and how far to draw the plunger out.

Vial contents (lyophilized peptide)

Bacteriostatic water added

mL

Reverse: dose per unit → water needed

Add 1.50 mL for 0.100 mg per unit

Insulin syringe

Target dose

13.33units to draw

0.133 mL of solution

0.150 mg per single unit mark

Concentration: 15.00 mg/mL — every single unit on a 100 U syringe delivers 0.150 mg (150.0 mcg).

Plain-language explanation

Get a short, everyday-language readout of what your concentration, per-unit dose, and draw volume mean. It explains the math only — it never recommends a dose.

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100 U syringe · 1 mL · drawn to 13.33 units for a 2.00 mg dose

Per unit

0.150 mg

= 0.010 mL

Full syringe

15.00 mg

100 units

Whole vial

15.00 mg

in 1.00 mL

Per-unit dosage breakdown

Units drawnVolumeDose
1 unit0.010 mL0.150 mg150.0 mcg
2 units0.020 mL0.300 mg300.0 mcg
3 units0.030 mL0.450 mg450.0 mcg
5 units0.050 mL0.750 mg750.0 mcg
10 units0.100 mL1.50 mg1500 mcg
15 units0.150 mL2.25 mg2250 mcg
20 units0.200 mL3.00 mg3000 mcg
25 units0.250 mL3.75 mg3750 mcg
30 units0.300 mL4.50 mg4500 mcg
40 units0.400 mL6.00 mg6000 mcg
50 units0.500 mL7.50 mg7500 mcg
60 units0.600 mL9.00 mg9000 mcg
70 units0.700 mL10.50 mg10500 mcg
80 units0.800 mL12.00 mg12000 mcg
90 units0.900 mL13.50 mg13500 mcg
100 units1.00 mL15.00 mg15000 mcg

A 50 U and a 100 U insulin syringe both mark 0.01 mL per unit — the dosage per unit is identical. The 50 U just tops out at half the volume (0.5 mL), so it's read the same way at smaller doses.

Disclaimer

Always verify these calculations with a qualified healthcare professional before relying on them.

This calculator is an educational and informational tool only. It performs arithmetic on the numbers you enter — it is not medical advice, and nothing here has been reviewed by a doctor or pharmacist.

Peptide compounds discussed in research contexts are not approved by the FDA for human use and are not evaluated for safety, purity, or dosing. Compounded or reconstituted solutions carry real risks: contamination, inaccurate concentration, and dosing errors.

Nothing on this site should be used to prepare, reconstitute, or administer any substance to yourself or anyone else. Always follow the prescription, product insert, and instructions of a licensed healthcare provider, and verify every calculation independently before acting on it.

Use of this tool is entirely at your own risk. No warranties are made as to the accuracy of any result, and its creators accept no liability for any outcome arising from its use.