The calculator runs the same tested engine as this site’s public calculators.
It works in two directions: reconstitute (vial + water to concentration) and reverse-BAC (target dose to water volume).
A result can be saved to a vial, so future draws from it are computed automatically.
A draw guide shows the syringe fill visually, so the number and the picture always agree.
Results export as a math-only shareable card — no personal data included.
Zyra Labs includes the same calculation engine that powers this site's public calculators, plus the ability to save a result straight into your inventory.
In plain terms: do the mixing math once, and the app remembers it for every future draw from that vial.
Two directions
Reconstitute: enter vial size and water volume, get concentration, draw volume, and units.
Reverse-BAC: enter a target dose and the draw size you want, get how much bacteriostatic water to add to land there.
Both are backed by the identical, tested math — the app version just remembers the result.
Save to a vial
From a calculation, Save to a vial creates an inventory entry with that compound, concentration, and total doses — so future draws for that vial are computed automatically and its depletion is tracked (managing vials).
The draw guide
A result can open a draw guide — a full-screen view of the syringe fill for that draw, so the number and the picture always agree. This is a readout of the calculation, not an instruction to draw any particular dose.
Share a result
A calculation can be exported as a shareable card image — the math only, no personal data — the same card format used across Zyra Labs.
What is the difference between the two calculators?
The reconstitution calculator goes from vial size and water volume to concentration and draw. The reverse-BAC calculator goes the other way — from a target dose and draw size to how much water to add. Both use the same underlying engine.
Is the app math the same as the website calculator?
Yes. The app uses the identical, tested calculation engine that powers the public calculators on this site. The app version adds the ability to save a result straight into your inventory.
Does the shared card include my personal data?
No. A calculation can be exported as a shareable card image showing the math only — no doses, protocols, or identifying data.
Zyra Labs is a research and educational utility. Nothing on this page is medical advice, a dosing recommendation, or an endorsement of any compound. We never sell or source compounds and refuse sourcing questions. Consult a qualified clinician for decisions about your health.