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Peptides Calculator

Accurate Peptide Calculator for Research

This calculator assists researchers in precisely reconstituting lyophilized peptides and calculating accurate dosages. Enter your peptide details below to determine the correct mixing solution amount and withdrawal volume.

  1. Select your syringe size from the dropdown menu.
  2. Enter the peptide weight in milligrams.
  3. Enter the amount of bacteriostatic water in milliliters.
  4. Enter your desired dosage in micrograms or milligrams.
  5. Click ‘Calculate’ to see the result, including the volume required and insulin units (IU).

The calculator will show a visual representation of the dosage in the syringe and warn you if the dosage exceeds the syringe capacity.

Note: 10 IU (Insulin Units) is equal to 0.10 mL. This calculator uses this standard conversion.

1. Lyophilized Peptide

2. Add Bac Water

3. Withdraw Dose

Peptide Calculator Final

Quick Conversions

1 mL = 100 IU (Insulin Units)
1 mg = 1000 mcg (micrograms)
1 IU = 0.01 mL 

mg
mL
mcg
mcg
mL
mcg

Warning: The selected syringe size is too small for the desired dosage. Consider reducing the amount of bacteriostatic water to make it compatible with your syringe size.

IU
%

To prepare mcg of the peptide:

  • Draw mL ( IU) into your  syringe.
  • This is equivalent to % of your syringe's capacity.
0 20 40 60 80 100
0 IU
0 5 10 15 20 25 30 35 40 45 50
0 IU
0 3 6 9 12 15 18 21 24 27 30
0 IU
 
0 IU
 
0%

⚠️ Peptide Calculator Disclaimer

The Peptide Reconstitution Calculator provided on this website is an informational tool intended solely for academic and laboratory research planning.

It is designed to assist qualified researchers in calculating theoretical dilutions and concentrations for in-vitro model systems and assay design.

Important Notes:

  • Results generated by this calculator are for reference purposes only.
  • The calculator does not constitute usage guidance, dosage advice, or safety instructions.
  • Calculations are not validated for human or veterinary administration, and must not be interpreted as medical or clinical recommendations.
  • XL Peptides supplies all materials for laboratory research use only and does not provide reconstitution or dosage instructions for any purpose outside lawful in-vitro research.

By using this tool, you confirm that:

  • You are a qualified researcher operating within a lawful scientific environment;
  • You understand that this calculator is provided “as is” without warranty of accuracy or fitness for any specific application;
  • You accept full responsibility for verifying calculations and ensuring safe, compliant research practices within your institution’s guidelines.

For further information about our research-only policy, please review our
👉 Research Use Disclaimer and Terms of Business.

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Disclaimer!

All powdered (lyophilized) products and any other subsequent items are strictly for scientific research purposes. No dosing guidelines are included. We comply with all local regulations regarding Research Only sales within the United Kingdom. We are not a pharmacy and do not endorse or offer advice for human or animal consumption. Please thoroughly review our terms and conditions before making a purchase on our website. International customers must check their own local laws and regulations before purchasing.

You must be 18+ and purchasing for scientific research only.

By clicking ‘I Agree’ you confirm you have read and accepted these terms set out in this popup disclaimer.

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