Work out dental anaesthetic dose instantly with clear inputs, formula shown and shareable results.
Applies the weight-based maximum for a local anaesthetic and caps it at the absolute maximum, then converts to cartridges.
Local anaesthetic maximum
Maximum dose = min(weight x mg/kg, absolute cap); cartridges = maximum dose / mg per cartridge. A 2.2 mL cartridge of 2% lidocaine contains 44 mg
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
Commonly 7 mg/kg with adrenaline up to 500 mg, or 4.4 mg/kg without adrenaline; local guidance varies.
Yes. Adrenaline slows systemic absorption, which raises the permitted maximum dose.