19 free clinical tools for drug dosage, IV drip rate, ABG interpretation, unit conversion and more. No login. No sign-up. No waiting. Just the answer you need at the bedside.
Randomized med-math problems for every type on a nursing dosage exam, from tablets to mcg/kg/min drips. Each answer is marked instantly with the full working, using your school's rounding rules.
How many tablets or capsules to give from the ordered dose and available strength, with worked examples.
How long an IV bag will last at a given rate. Enter a start time to get the exact finish time.
Celsius to Fahrenheit with a full fever chart, plus weight, height and blood glucose conversions.
Convert mg, mcg, g and units, with mg-to-mcg tables for common medication strengths.
Calculate volume of liquid medication from ordered dose and available concentration.
Calculate drops per minute (gtt/min) for manual IV administration without an infusion pump.
Calculate infusion pump rate in mL/hr from total volume and infusion duration.
Calculate how long an IV bag will last given the volume and pump rate.
Calculate number of tablets or capsules to give from ordered dose and tablet strength.
Vasopressor drip calculator for dopamine, dobutamine, norepinephrine and more.
Calculate ideal and adjusted body weight for accurate drug dosing in all patients.
Interpret arterial blood gas results and identify respiratory or metabolic acid-base disorders.
Calculate BSA using Mosteller formula. Essential for chemotherapy and paediatric dosing.
Calculate 24-hour fluid resuscitation volume for burn patients using the Parkland formula.
Calculate net fluid balance by comparing total intake against output over 24 hours.
Temperature with a fever chart, weight in kg, lb and stone, height in cm and ft/in, and blood glucose in mg/dL and mmol/L.
Convert between g, mg, mcg, ng and body weight units for drug calculations.
Calculate Body Mass Index with WHO classification. Metric and imperial units supported.
Calculate MAP from systolic and diastolic readings to assess organ perfusion status.
Calculate estimated due date from last menstrual period (LMP) or conception date.
Estimate renal function using Cockcroft-Gault formula for drug dose adjustments.
Estimate GFR and KDIGO stage with the race-free CKD-EPI 2021 equation, in mg/dL or µmol/L.
Calculate weight-based drug dose for paediatric patients from prescribed mg/kg dose.
⚠️ Disclaimer: All calculators are for educational and reference purposes only. Always verify results with your institution's protocols and a qualified healthcare professional before any clinical decision.