A patient uses 22 units of Lantus (insulin glargine) each day; what is the total dose for a 30‑day month and how many milliliters of insulin are required?

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Insulin Glargine Total Monthly Dose

A daily dose of 22 units of insulin glargine results in a 30-day total of 660 units (22 units/day × 30 days).

Insulin glargine (Lantus) is supplied at a concentration of 100 units/mL, so 660 units correspond to 6.6 mL (660 units ÷ 100 units/mL).