Dosage calculators
27 calculators Adderall Dosage Calculator Calculate the FDA-recommended Adderall starting dose, titration step, and maximum daily dose by age group and indication (ADHD or narcolepsy) for both IR and XR formulations.
Open Aleve Dosage Calculator Find the right Aleve (naproxen sodium) dose for adults and children. Select your condition, weight, and tablet strength for a complete dosing schedule.
Open Benadryl Dosage Calculator Calculate the correct Benadryl (diphenhydramine) dose by weight and age for children and adults. Get liquid volume, tablet count, daily max, and frequency.
Open Benzodiazepine Conversion Calculator Convert any benzodiazepine dose to its equivalent in 15 other benzodiazepines. Shows diazepam-equivalent, half-life, and a full equivalency reference table.
Open Carboplatin Dose Calculator (AUC / Calvert Formula) Calculate carboplatin dose using the Calvert formula and Cockcroft-Gault GFR. Supports actual, ideal, and adjusted body weight with the FDA-recommended GFR cap.
Open Cefdinir Dose Calculator Calculate the correct cefdinir dose by weight and indication for adults and children. Includes suspension volume, renal adjustment, and treatment duration.
Open Dosage Calculator Calculate the correct medication dose by weight (mg/kg), convert to liquid mL or tablet count, see your daily total, and get a full per-dose schedule.
Open Drug Half-Life Calculator Calculate how much of a drug remains in your body over time. Enter dose and half-life to get remaining concentration plus clearance times at 50%, 95%, and 99%.
Open Fish Oil Dosage Calculator Calculate your optimal daily fish oil (EPA+DHA) dose by age group, health goal, body weight, and supplement concentration. Includes capsule count and safety check.
Open Gabapentin Dosage Calculator Calculate gabapentin doses for neuropathic pain, epilepsy, and RLS. Includes pediatric weight-based dosing, renal (CrCl) adjustment, and a titration schedule.
Open Hydroxychloroquine Dose Calculator Calculate the safe hydroxychloroquine dose by weight (AAO 5 mg/kg guideline). Shows max daily dose, mg/kg ratio, retinopathy risk, and cumulative dose.
Open Isotretinoin Dose Calculator Calculate your isotretinoin (Accutane) cumulative dose, daily dose, and treatment duration in mg/kg. Tracks progress toward the 150-220 mg/kg evidence-based target.
Open IVIG Dose Calculator Calculate IVIG total dose in grams, infusion volume, dosing weight (adjusted or actual), and a step-by-step titration schedule. Metric and imperial units.
Open Levothyroxine Dosage Calculator Calculate your starting levothyroxine dose by weight using ATA guidelines. Covers hypothyroidism, thyroidectomy, pregnancy, and cardiac modifiers. Results in mcg/day.
Open Lidocaine Dose Calculator: Max Safe Dose by Weight Calculate the maximum safe dose of lidocaine or other local anesthetics by weight and concentration, with or without epinephrine. Shows mg and mL limits instantly.
Open Local Anesthetic Calculator Calculate the maximum safe dose and injection volume for lidocaine, bupivacaine, ropivacaine, and more, with an epinephrine toggle and lipid rescue dosing.
Open mcg to IU Converter Convert mcg to IU (or IU to mcg) for Vitamin D, A (retinol and beta-carotene), and E (natural and synthetic). Shows the formula, worked math, and safe upper limits.
Open Melatonin Dosage Calculator Find your recommended melatonin dose by indication: sleep onset, jet lag, shift work, and more. Get timing tips, supply totals, and evidence-based guidance.
Open MME Calculator - Morphine Milligram Equivalents Calculate daily MME for 13 opioids including fentanyl patch and methadone. Based on CDC 2022 guidelines with caution thresholds at 50 and 90 MME/day.
Open Opioid Conversion Calculator Convert between opioids and calculate daily MME using 2022 CDC conversion factors. Includes risk thresholds, equianalgesic doses, and cross-tolerance guidance.
Open Prescription Refill Calculator Find your next prescription refill date, days of supply remaining, and earliest eligible refill day for Medicare, commercial, or no-insurance plans. Free online tool.
Open Steroid Conversion Calculator Convert between corticosteroid doses instantly. Enter your current steroid and dose, choose the target steroid, and see the equipotent dose with potency and half-life details.
Open tPA Calculator - Stroke Dosing Calculate alteplase (tPA) dose for acute ischemic stroke: total dose, IV bolus, and 60-minute infusion in mg and mL. Based on the 0.9 mg/kg AHA/ASA standard.
Open Tramadol Dosage Calculator Calculate tramadol dosage for acute and chronic pain. Adjusts for age, weight, renal impairment, hepatic impairment, and formulation with safe-dose guidance.
Open Tylenol Dosage Calculator Calculate the right Tylenol (acetaminophen) dose by weight. Get mg per dose, mL for liquids, tablet count, max daily dose, and a 24-hour dosing schedule.
Open Tylenol Overdose Calculator Calculate acetaminophen overdose risk by mg/kg dose and weight, compare to the Rumack-Matthew nomogram threshold, and get oral or IV N-acetylcysteine dosing for reference.
Open Warfarin Dosing Calculator Estimate a warfarin starting dose with the Gage clinical algorithm, or get an ACCP-based weekly dose adjustment from your current INR, with step-by-step working.
Open
No calculators match your filter.