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Opioid Morphine Milligram Equivalent (MME) Dose Calculator

MME = dose_mg × conversion_factor.

Compute the daily morphine milligram equivalent (MME) for an opioid prescription — the standard CDC measure of opioid dosing risk. MME = daily dose (mg) × conversion factor. Conversion factors: morphine 1.0, codeine 0.15, tramadol 0.1, oxycodone 1.5, hydrocodone 1.0, hydromorphone 5.0, fentanyl patch (mcg/h) 2.4, methadone dose-dependent.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

mg/day

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

MME/day = daily_dose × factor.

In depth

Compute the daily morphine milligram equivalent (MME) for an opioid prescription — the standard CDC measure of opioid dosing risk. MME = daily dose (mg) × conversion factor. Conversion factors: morphine 1.0, codeine 0.15, tramadol 0.1, oxycodone 1.5, hydrocodone 1.0, hydromorphone 5.0, fentanyl patch (mcg/h) 2.4, methadone dose-dependent.