Anaesthetic Calculators
General
Body weight metrics
BMI, IBW, AdjBW, LBW
Airway
DAS Awake Tracheal Intubation (ATI)
LBW + topical lidocaine dosing
ATI topicalisation
LBW + topical lidocaine dosing
Regional
Combined LA dose
Calculate total dose % across agents
LA bolus & infusion
Max bolus and infusion rates (≥45 kg)
50:50 LA mixture
Max dose and volume of short- & long-acting LA
Risk
Nottingham Hip Fracture Score
30-day mortality prediction
Critical care
Adult blood volume & Haemorrhage
Volume, Allowable blood loss, MHP, ROTEM & AoA QRH
Vasopressor infusions
Noradrenaline, adrenaline, vasopressin
LA toxicity - Intralipid
Intralipid bolus and infusion
Obstetrics
Maternal blood volume & Haemorrhage
Volume, Allowable blood loss, MHP, TEG/ROTEM & OAA QRH
Paediatrics
Paediatric anaesthesia
Drug doses + equipment sizes
Other
Useful guidelines
Anaesthesia & perioperative care
Quick Reference Handbook
Association of Anaesthetists (2023)
Obstetric Quick Reference Handbook
Obstetric Anaesthetists' Association (2024)
Feedback
Disclaimer