Peptide calculator
A free peptide reconstitution calculator: work out concentration, volume per aliquot and the exact units to draw into your insulin syringe. For research use only.
Calculators by peptide
Tap a preset to load its values into the calculator.
Vial data
Pick a peptide or enter your values.
Educational tool for reconstitution calculations in a research context. Always verify your calculations. It is not usage instructions or a medical recommendation.
Cite this page
APA format for research documents.
How to use the calculator
- Peptide in the vial (mg): the total amount of peptide, per the label.
- Bacteriostatic water (mL): the liquid you reconstitute the powder with. More water = a more diluted solution.
- Target amount (mcg): how much peptide you want per aliquot (1000 mcg = 1 mg).
- Syringe: the size of your U-100 insulin syringe.
This peptide calculator returns the concentration (mg/mL), the mcg per syringe unit, the volume per aliquot and how many aliquots the vial yields. It is an educational tool for a research context only; always verify your calculations before use.
Want the math behind these numbers? The guide on how to calculate peptide concentration walks through it step by step.
NAD+ notes
NAD+ has one peculiarity compared with typical laboratory peptides: vials usually come in 100, 500 or 1000 mg, not the usual 5 or 10 mg. That changes the concentration math significantly. A 500 mg NAD+ vial reconstituted in 5 mL gives 100 mg/mL, not the 5 mg/mL of a short peptide in 2 mL. Pick the NAD+ preset above and the calculator loads the values.
The molecule is also light-sensitive, so reconstitution and storage matter more than for other compounds. See the reconstitution guide and the concentration guide before the assay.
NAD+ is not in the Égida catalog yet. Subscribe to get the first-batch alert.
How to reconstitute peptides
It handles reconstitution and concentration: from the peptide mg, the bacteriostatic water added and the target amount, it calculates the vial concentration, the volume per aliquot and how many units to draw into an insulin syringe. For research use only.
Each mark on a U-100 insulin syringe equals 0.01 mL. The calculator tells you how many mcg each unit holds at your concentration.
1000 micrograms (mcg) equal 1 milligram (mg).
Technical questions about a compound or a batch?
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