Most Popular Clinical & Medications Calculators
Dose Calculator mg/mL
Free dose calculator mg/mL: convert mg to mL, mL to mg, or use weight-based dosing. Enter concentration and dose to get syringe-ready volume in seconds.
Steroid Conversion Calculator & Chart
Free steroid conversion calculator with equivalence chart. Convert prednisone, dexamethasone, methylprednisolone, and hydrocortisone equivalent doses.
Insulin Calculator
Free insulin calculator for bolus dosing. Enter carbs, insulin to carb ratio, correction factor, and IOB to estimate your mealtime insulin dose instantly.
Pediatric Dose Calculator
Free pediatric dose calculator for weight-based mg/kg dosing. Enter child weight, dose factor, frequency, and max caps to get mg, mL, or tablet doses instantly.
Nicotine Calculator
Free nicotine calculator for daily mg intake, vape-to-cigarette conversion, NRT patch dose guidance, step‑down plans, and e‑liquid mixing with PG/VG ratios.
Dosage Calculator
Free dosage calculator to convert mg/kg into per-dose and daily totals. Calculate mg per kg, get mL or tablet amounts, and generate a dosing schedule.
All Clinical & Medications Calculators
Adjusted Body Weight Calculator
Compute ABW for dosing with our adjusted body weight calculator, alongside IBW reference. Essential for accurate medication dosing, especially in obesity.
Alcohol Calculator
Use our alcohol calculator to track standard drinks, alcohol calories, cost, and estimated BAC. Plan sessions, see time to sober, and make informed choices.
Alcohol Units Calculator UK
Free alcohol units calculator for UK weekly tracking. Convert drinks to units, check against the 14-unit guideline, and see calories, standard drinks, and more.
BAC Calculator
Use our BAC calculator to estimate blood alcohol levels from drinks, ABV, weight, sex, and hours. See limit markers, impairment ranges, and time to sober.
Caffeine Calculator
Use our caffeine calculator to total your intake and see how half-life affects sleep. Track coffee, tea, energy drinks, and custom doses to build better habits.
Carboplatin AUC Calculator
Free carboplatin AUC calculator using the Calvert formula to find chemotherapy dose in mg from target AUC, GFR, and Cockcroft-Gault creatinine clearance.
Cockcroft-Gault Calculator
Free Cockcroft-Gault calculator to estimate creatinine clearance (CrCl) using age, weight, serum creatinine, and sex for accurate renal dose adjustments.
Corrected Calcium Calculator
Free corrected calcium calculator adjusts total calcium for albumin using the Payne formula. Supports US (mg/dL) and SI (mmol/L) units with instant results.
Dexamethasone to Prednisone Conversion Calculator | Free
Free dexamethasone to prednisone conversion calculator. Convert any corticosteroid dose instantly using standard steroid equivalency ratios and charts.
Dosage Calculator
Free dosage calculator to convert mg/kg into per-dose and daily totals. Calculate mg per kg, get mL or tablet amounts, and generate a dosing schedule.
Dose Calculator mg/mL
Free dose calculator mg/mL: convert mg to mL, mL to mg, or use weight-based dosing. Enter concentration and dose to get syringe-ready volume in seconds.
Drug Half Life Calculator
Free drug half life calculator to estimate medication elimination time, how long until a drug is out of your system, and accumulation with repeated dosing.
ETG Calculator
Use our ETG calculator to estimate urine ethyl glucuronide detection windows by drinks consumed, hours since last drink, and lab cutoffs from 100 to 1000 ng/mL.
Geriatric Dose Calculator for Age and Renal Adjustments
Use our geriatric dose calculator to estimate safe starting doses using age and creatinine clearance, with frailty and hepatic factors. Educational only.
Insulin Calculator
Free insulin calculator for bolus dosing. Enter carbs, insulin to carb ratio, correction factor, and IOB to estimate your mealtime insulin dose instantly.
Insulin-to-Carb Ratio Calculator | Find Your I:C Ratio
Free insulin-to-carb ratio calculator. Enter your total daily dose to estimate your I:C ratio, ISF, and mealtime bolus doses using the 500 or 450 rule.
IV Drip Rate Calculator
Free IV drip rate calculator to find drops per minute (gtt/min) and mL/hr. Enter volume, infusion time, and drop factor for accurate flow rate results.
Concentration Calculator mg/mL
Free concentration calculator mg/mL for drug reconstitution and dilution. Enter drug mass, diluent volume, and displacement for accurate mg/mL results.
MME Calculator
Free MME calculator to convert opioid doses to daily morphine milligram equivalents. Add medications, view per-drug MME, and check risk flags at 50 and 90 MME.
Nicotine Calculator
Free nicotine calculator for daily mg intake, vape-to-cigarette conversion, NRT patch dose guidance, step‑down plans, and e‑liquid mixing with PG/VG ratios.
Free Opioid Conversion Calculator | MME & Dose Table
Opioid conversion calculator with equianalgesic dose table. Convert morphine, oxycodone, fentanyl, hydrocodone, methadone doses and calculate MME/day instantly.
Pain Scale Calculator
Use our pain scale calculator to rate pain on a 0–10 scale with mild, moderate, and severe bands. Add quick notes to track patterns and share clearly.
Pediatric Dose Calculator
Free pediatric dose calculator for weight-based mg/kg dosing. Enter child weight, dose factor, frequency, and max caps to get mg, mL, or tablet doses instantly.
Quit Smoking Calculator
Track progress since quitting with our quit smoking calculator. See money saved, time passed, health milestones achieved, and cigarettes avoided instantly.
Steroid Conversion Calculator & Chart
Free steroid conversion calculator with equivalence chart. Convert prednisone, dexamethasone, methylprednisolone, and hydrocortisone equivalent doses.
Steroid Taper Calculator
Free steroid taper calculator to build a gradual prednisone or corticosteroid tapering schedule by starting dose and duration to limit adrenal suppression.
Vancomycin Calculator
Free vancomycin calculator to estimate maintenance dose and interval from weight, age, and renal function, targeting therapeutic trough and AUC ranges.
Total Tools
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Why Use Our Clinical & Medications Calculators?
Our clinical and medications calculator suite includes 27 professional-grade tools for calculating mg/mL dosages, steroid equivalent conversions, insulin dosing, pediatric weight-based dosing, opioid morphine milligram equivalents (MME), drug half-life timelines, Cockcroft-Gault creatinine clearance for renal dosing, and alcohol unit intake. These calculators are built from established pharmacological references and clinical guidelines to support accurate point-of-care decisions.
Who Are These Calculators For?
Physicians, pharmacists, nurses, and medical students who need quick, reliable medication calculations at the bedside or in the pharmacy. Our dose calculator (mg/mL) and steroid conversion calculator are the two highest-traffic tools across the entire site, reflecting their daily clinical utility.
How Our Calculators Work
Enter the medication concentration, desired dose, patient weight, or conversion parameters, and the calculator applies standard pharmacokinetic formulas and equivalence tables. Steroid conversions use the standard glucocorticoid potency table, opioid conversions reference CDC MME guidelines, and pediatric dosing follows weight-based protocols.
Key Benefits
- Medical-grade accuracy based on WHO and CDC guidelines
- Instant results with detailed explanations and recommendations
- 100% private — all calculations run locally in your browser
- No registration, no personal data collected
Frequently Asked Questions
How do I convert mg/mL to a specific dose?
How does steroid conversion work?
How do I calculate pediatric drug doses?
What are morphine milligram equivalents (MME)?
What is the clinical significance of drug half-life?
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