Free tools
Clear arithmetic. Your own inputs.
Check units, concentration, and supply counts. These tools calculate from values you enter; they do not choose doses, schedules, or how to prepare a medicine.
Peptide concentration and volume calculator
Calculate concentration in mg/mL and the volume matching an amount you enter. Transparent peptide arithmetic, with no recommended doses or mixing instructions.
Open calculator →mg to mcg converter
Convert milligrams to micrograms or micrograms to milligrams. See the formula and keep mass units separate from mL, IU, and syringe markings.
Open calculator →Vial duration calculator
Estimate how many scheduled events and days your entered vial dose count covers. See the final event offset without assuming expiry or stability.
Open calculator →Before you calculate
Use confirmed information from your label and pharmacy or prescriber. A mathematically consistent result does not establish that a product, amount, or preparation is appropriate.
No inputs are saved or sent to a server by these calculators. There are no compound presets or dose suggestions.