Clinical & Medical
Evidence-based clinical scoring tools, drug dosing, IV calculations, and risk assessment for nurses, paramedics, and allied health.
15 calculators
Glasgow Coma Scale (GCS)
Calculate GCS score from eye, verbal and motor responses to assess level of consciousness.
NEWS2 Score
Calculate National Early Warning Score 2 to detect clinical deterioration in adults.
Drug Dose by Weight
Calculate mg dose from weight-based dosing, and check against concentration and volume to draw.
IV Infusion Rate Calculator
Calculate drip rate (drops/min), mL/hr and dose rate for IV infusions.
Creatinine Clearance (Cockcroft-Gault)
Estimate creatinine clearance (eGFR proxy) for drug dosing in renal impairment.
CURB-65 Score (Pneumonia)
Assess pneumonia severity and guide admission decision using CURB-65.
Wells DVT Score
Estimate pre-test probability of deep vein thrombosis using the Wells criteria.
APGAR Score
Calculate APGAR score at 1 and 5 minutes for neonatal assessment.
BMI — Clinical Interpretation
BMI with WHO classification, ideal body weight and dosing weight for clinical use.
Fluid Balance Calculator
Calculate 24-hour fluid balance from intake and output with maintenance fluid estimate.
Opioid Dose Conversion
Convert between opioids using oral morphine equivalent (OME) factors for palliative and pain management.
Paediatric Weight Estimation
Estimate child weight for emergency drug dosing when scales are unavailable (APLS/Broselow methods).
Oxygen Therapy Titration Guide
Target SpO₂ ranges and initial O₂ flow rates based on BTS guidelines.
QTc Interval Calculator
Correct QT interval for heart rate using Bazett and Fridericia formulae.
Mean Arterial Pressure (MAP)
Calculate MAP from systolic and diastolic blood pressure with perfusion pressure interpretation.