About Peptide

Peptide is a free browser-based calculator for converting known amounts, concentrations, volumes, and U-100 syringe markings. It also includes final-volume, blend, equal-portion, and supply planning tools.

Who maintains this site?

Peptide is developed and maintained by an independent individual developer using the public project pen name Peptide Developer. This pen name identifies the project maintainer; it is not a legal name, a company, or a medical qualification.

Vercel has been selected as the hosting provider for the public website. Hosting arrangements do not identify the developer’s place of residence or establish where every request is processed.

How the calculations are explained

The homepage documents formulas, input assumptions, worked examples, and limitations. Calculations use decimal arithmetic. Unit definitions link to external references; those references do not endorse this website.

Read the formulas and assumptions →

Scope and review status

The site has not been clinically validated. It does not select substances, doses, or treatments, and does not claim medical-review accreditation. Independently check inputs and results.

Corrections and updates

Content dates indicate actual content changes, not a scheduled freshness label. Reports should include the selected mode, units, inputs, and expected result.