Total Body Water Calculator
Estimate total body water based on patient characteristics to guide fluid and drug dosing.
Calculators
Tube Cross-Sectional Area Calculator
Calculate airway or vascular cross-sectional area to understand device proportional occlusion, flow dynamics and resistance.
Oral Liquid Medication Dose Calculator
Calculate oral liquid medication doses based on concentration and prescribed dose, including paediatric use.
Tube Size and French Gauge Calculator
Convert between tube diameter, gauge, and French size for airway and procedural equipment.
Oxygen Delivery Equivalence Calculator
Compare oxygen delivery across devices including low flow, high flow, and non-invasive support.
Shunt Fraction Calculator
Estimate physiological shunt to quantify impairment in oxygenation.
Alveolar–Arterial Gradient Calculator
Estimate the alveolar–arterial oxygen gradient to assess gas exchange and identify causes of hypoxaemia.