What are morphine milligram equivalents (MME)?

MME is a standardized way to compare the potency of different opioids. It converts any opioid dose to the equivalent dose of oral morphine. CDC guidelines flag daily doses ≥50 MME as requiring careful reassessment and ≥90 MME as high risk for overdose.

Why is renal dose adjustment important?

Many medications are cleared by the kidneys. In patients with reduced kidney function (low GFR), standard doses can accumulate to toxic levels. Renal dose adjustment prevents adverse drug reactions by reducing the dose or extending the dosing interval based on the patient's kidney function.

How do I convert between corticosteroids?

Steroid equivalency is based on anti-inflammatory potency relative to hydrocortisone. For example, 5 mg of prednisone equals 20 mg of hydrocortisone, 4 mg of methylprednisolone, or 0.75 mg of dexamethasone. Our steroid converter handles these conversions automatically.

Pharmacy & Drug Dosing Calculators

Calculate IV drip rates, opioid morphine milligram equivalents (MME), pediatric doses, warfarin dosing, gentamicin dosing, renal dose adjustments, and steroid conversions. Built for pharmacists, nurses, and prescribers.

This category currently includes 6 tools, including IV Drip Rate, Opioid MME, and Pediatric Dose.

These resources are built for clinicians, trainees, and medically informed patients who need fast bedside calculations. Use the results as decision support and pair them with full clinical context and local guidelines.

All Pharmacy Tools (6)

IV Drip Rate

Calculate IV infusion rates in mL/hr and drops per minute from volume, time, and drop factor. Essential nursing and pharmacy calculator for safe, accurate IV fluid and medication administration.

Opioid MME

Calculate morphine milligram equivalents (MME) for opioid medications using CDC conversion factors. ≥50 MME/day warrants caution; ≥90 MME/day carries significantly increased overdose risk.

Pediatric Dose

Calculate pediatric medication doses based on patient weight (mg/kg). Essential for safe pediatric prescribing.

Warfarin Guidance

Get warfarin dose adjustment guidance based on current INR and target range. Helps manage anticoagulation therapy.

Gentamicin Dosing

Calculate gentamicin dose and interval using extended-interval (5–7 mg/kg q24h) or traditional q8–12h dosing methods based on creatinine clearance and adjusted body weight.

Renal Dosing

Determine renal dose adjustment guidance by GFR stage for antibiotics, anticoagulants, metformin, NSAIDs, and 20+ drug classes. Based on current KDIGO CKD staging and prescribing guidelines.

Frequently Asked Questions

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