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Reconstitution calculator.
Enter vial strength, bacteriostatic water, and the desired research amount. Concentration, draw volume, and U-100 syringe units update instantly, with the math shown in full.
- U-100
- Insulin syringe scale
- 0
- Guesswork
- COA
- Batch-verified inputs
Your inputs
U-100 syringe units
5units
Draw volume
0.05ml
Concentration
5mg/ml
Amounts per vial
40x 250 mcg
Fill an insulin syringe to this mark.
Transparent math
- Vial mcg = vial mg x 1,000
- Concentration mcg/ml = vial mcg / water ml
- Draw ml = desired mcg / concentration mcg/ml
- U-100 units = draw ml x 100
- Amounts per vial = vial mcg / desired mcg
10,000 mcg / 2 ml = 5,000 mcg/ml.
250 mcg / 5,000 mcg/ml = 0.05 ml.
0.05 ml x 100 = 5 U-100 units.
For laboratory research planning only. Products are not for human or veterinary use, and this calculator does not provide medical advice.
Quick reference
Common vial-and-water pairings and the U-100 units that land a 250 mcg research amount. Always confirm against your own inputs above.
Assumes a 250 mcg desired amount. Concentrations shown as mg/ml.
New to reconstitution?
The full step-by-step guide covers supplies, clean handling, adding water without foaming, storage, and drawing measured amounts.