HGH Calculator

Convert your prescribed HGH dose in IU to syringe units. Defaults to the standard 3 IU/mg potency - override only if your vial label says otherwise.

Last reviewed 2 May 2026

Vial strength (IU)

Total IU in the vial. Common HGH vials are 10 IU or 12 IU.

BAC water added (mL)

Volume of bacteriostatic water you reconstituted with. 1 mL is most common for HGH.

Dose (IU)

The dose your prescriber specified, in IU. Common HGH doses are 1 to 4 IU.

Advanced: change potency

Potency (IU per mg)

HGH is 3 IU/mg by international convention. Only change this if your vial label specifies a different potency.