Calculate HEMLIBRA loading & maintenance doses

Use this tool to help determine the dose and vial(s) you may provide, according to the patient's weight.

Enter patient weight

Suggested dosage and vial combinations provided by the calculator are based on the nearest whole 1 kg in weight. Weights ending in decimals 0.0 to 0.4 have been rounded down to the nearest whole number and weights ending in decimals 0.5 to 0.9 have been rounded up to the nearest whole number. Weights entered in lbs will be converted to the nearest whole kg.

By using this resource, you agree to the following: This Dosing Calculator is being provided "AS IS" and is intended for use only by qualified healthcare providers. Confirm all calculations before use. Genentech makes no claims as to the accuracy of the information contained herein. The information provided is not a substitute for clinical judgment. Neither Genentech, nor any other party involved in preparation or publication of this site, shall be liable to you or others for any decisions made or actions taken by you or others in reliance on this information.

Discard any unused solution in the vial after each use.

Recommended number of vials were calculated without combining concentrations.

Loading Dose (Weeks 1-4):
3 mg/kg once weekly
Total Dose (mg)
Total Volume (mL)
Example Vial Combination
Concentration/Volume # of Vials
Maintenance Dose (Weeks 5+):
1.5 mg/kg once weekly
Total Dose (mg)
Total Volume (mL)
Example Vial Combination
Concentration/Volume # of Vials

Injection Demonstration Video

A step-by-step video for your patients

Preparation & Administration

Getting ready to administer a HEMLIBRA injection