Enter the mass of lyophilized compound in the vial, the volume of diluent (bacteriostatic or sterile water) you are adding, and a target amount per draw. The calculator returns the reconstituted concentration and the volume to draw, including marks on a U-100 insulin syringe. For preparing laboratory research solutions only.
Reference math only. Verify all calculations independently. Never shake reconstituted solutions; add diluent slowly down the vial wall and swirl gently.
How reconstitution math works
Concentration = compound mass ÷ diluent volume. Example: 10 mg in 2 mL = 5 mg/mL (5,000 mcg/mL).
Draw volume = target amount ÷ concentration. On a U-100 insulin syringe, 1.0 mL = 100 units, so draw volume in mL × 100 = units.
Research use only. This tool is a reference calculator for preparing laboratory research solutions. Compounds are sold strictly for in-vitro laboratory research and are not for human or veterinary use, consumption, or diagnostic application. Nothing here is medical advice or a claim of safety or efficacy.