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The drug dosage calculator provides specific dose information based upon patient statistics provided in the fields above and the indications and routes selected for the drug.

• IMPORTANT: This calculator is designed to be a quick reference, and many important considerations and contraindications are not listed here. As with all clinical decision support tools, ultimately use clinical judgement when selecting the dose to be administered for a specific patient.
• If the dose is weight-based and weight is provided, the mass and volume of drug will also be calculated
  • Doses are calculated using total body weight unless otherwise specified
  • For volume, verify the correct preparation of the drug is selected
• If the drug has different dosing based upon age (e.g. pediatric, elderly) and age is provided, an adjusted dose will be provided if the data is available
• Some doses may have important additional information which will be shown as a link below the dose

Contributing to this calculator

Use the discussion page to leave feedback about the calculator. To contribute more substantially, see the calculators guide to learn about the process to get developer access.

The drug dosage calculator is powered by the patients, weightCalculations, drugs, and drugDosages modules. The dosage data is defined in the drugs data module.

Sedatives and hypnotics

Dexmedetomidine

Etomidate

Flumazenil

Ketamine

Methohexital

Midazolam

Propofol

Remimazolam

Thiopental

Opioids

Alfentanil

Fentanyl

Hydromorphone

Meperidine

Methadone

Morphine

Naloxone

Oxycodone

Remifentanil

Sufentanil

Neuromuscular blockade

Atracurium

Cisatracurium

Neostigmine

Pancuronium

Rocuronium

Vecuronium

Succinylcholine

Sugammadex

Cardiovascular agonists

Atropine

Dobutamine

Dopamine

Ephedrine

Epinephrine

Glycopyrrolate

Milrinone

Norepinephrine

Phenylephrine

Vasopressin

Cardiovascular antagonists

Adenosine

Clevidipine

Esmolol

Labetalol

Metoprolol

Nitroglycerin

Nitroprusside

Postoperative nausea and vomiting

Aprepitant (Emend)

Dexamethasone (Decadron)

Fosaprepitant (Emend)

Granisetron

Metoclopramide (Reglan)

Ondansetron (Zofran)

Palonosetron

Prochlorperazine (Compazine)

Promethazine (Phenergan)

Scopolamine

Non-opioid analgesics

Acetaminophen

Ketorolac

Lidocaine

Obstetric anesthesia

Carboprost

Methylergonovine

Misoprostol

Terbutaline

Electrolytes

Calcium chloride

Calcium gluconate

Magnesium sulfate

Sodium bicarbonate

Diuretics

Mannitol

Antibiotics

Ampicillin

Aztreonam

Cefazolin (Ancef, Kefzol)

Cefotaxime

Cefotetan

Cefoxitin

Ceftriaxone

Cefuroxime

Ciprofloxacin

Clindamycin

Ertapenem

Fluconazole

Gentamicin

Levofloxacin (Levaquin)

Metronidazole (Flagyl)

Moxifloxacin

Piperacillin-tazobactam (Zosyn)

Vancomycin

Malignant hyperthermia

Dantrolene

Other

Diphenhydramine (Benadryl)

Hydrocortisone

Intralipid

Sodium citrate-citric acid (Bicitra)