AL Pharm Tech

    Insulin

    Tresiba Day Supply Calculator

    Generic: insulin degludec · 100 units/mL (U-100) or 200 units/mL (U-200) · 3 mL FlexTouch pen — 300 units (U-100) or 600 units (U-200)

    Open free days supply calculator

    Worked example

    Inject 20 units subcutaneously once daily

    Dispensed
    2 U-100 pens (600 units)
    Daily use
    20 units/day
    30
    days supply
    1. Total units = 2 pens × 300 units = 600 units (U-100 FlexTouch)
    2. Daily use = 20 units once daily
    3. Days supply = 600 ÷ 20 = 30 days

    Alabama Days Supply Cheat Sheet

    One printable page with the days supply math Alabama pharmacies check at the bench and on every insurance claim.

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    • Tablets, capsules, and tapers using the whole number rounding Alabama pharmacies expect
    • Insulin vials and pens, with units per package worked out for you
    • Inhalers, puffs, eye drops, and mL to drops conversions
    • The same math taught in the ALBOP approved technician training program from Dalton Pharmacy

    The days supply calculator stays free. Built by Tyler Dalton, PharmD.

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    Product details

    • Brand: Tresiba
    • Generic: insulin degludec
    • Strength: 100 units/mL (U-100) or 200 units/mL (U-200)
    • Typical package: 3 mL FlexTouch pen — 300 units (U-100) or 600 units (U-200)
    • Example NDC: 0169-6432-11
    • Calculator tab: Use the insulin section in our tool

    Pharmacy tech tips

    • Tresiba U-200 pens contain 600 units — double-check pen concentration on the label.
    • Basal insulin is typically once daily.

    Frequently asked questions

    Tresiba day supply for 20 units daily?

    Two U-100 pens (600 total units) ÷ 20 units/day = 30 days supply.

    How many units in a Tresiba pen?

    U-100 FlexTouch: 300 units. U-200 FlexTouch: 600 units per 3 mL pen.

    Related Insulin guides

    Lantus day supplyHumalog day supplyNovoLog day supplyLevemir day supplyBasaglar day supplyToujeo day supply

    Run the numbers with a free calculator

    Same math, done for you. Enter the quantity and sig and get the day supply in seconds.