Client-only calculator
Vial duration math
Estimate full uses and calendar duration from an available amount, an amount per use, and a cadence you select. This tool does not apply an implicit 28-day or other discard rule.
Formula
full uses = floor(available mg ÷ amount per use mg) duration days = round(full uses ÷ uses per week × 7) Calendar duration does not determine sterility, beyond-use dating, storage, or discard timing. Follow product-specific instructions and qualified professional guidance.
Calculated result
- Concentration
- Full uses
- Calendar duration
Mathematical duration only. No product-specific storage, stability, sterility, or discard rule is applied.