Peptide calculator

Enter four values from your labels or supplied source. We’ll convert them into a U-100 syringe volume and unit amount.

For education and research arithmetic only. This is not medical advice or a dosing recommendation.

Four label checks

Set up the calculation

Peptide amount in vial

Read the total milligrams printed on the peptide vial.

Common label examples—not recommendations

Reconstitution solution added

This may be bacteriostatic water or another instructed diluent. Enter the amount actually used.

Common calculator examples—not recommendations

U-100 syringe size

Choose the size printed on your syringe or its packaging.

0.5 mL50 units

1 mL100 units

See actual product examples—not endorsements: 0.5 mL example and 1 mL example .

Desired dosage

Enter the dosage you want to calculate, then choose whether it is in mcg or mg.

Limits and calculation notes

Concentration is the peptide amount divided by the reconstitution solution volume. The desired dosage is first converted to mg, then divided by that concentration to find the syringe volume and multiplied by 100 for U-100 units.

Check every label, unit, solution choice, and instruction from the qualified source responsible for the material. This page only performs arithmetic on the values entered here.