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The equipment size calculations are based upon patient statistics provided in the fields above. As with all clinical decision support tools, ultimately use clinical judgement when selecting the dose to be administered for a specific patient.

• Some calculations may have important additional information which can be shown using the question mark icon

Contributing to this calculator

See the calculators guide to learn about the process to get the special permissions required to contribute to calculators in general.

The equipment size calculations are powered by the patients and equipmentSize modules.

Laryngoscope blade size (Miller)

Laryngoscope blade size (MAC)

Endotracheal tube (ETT) size

Endotracheal tube (ETT) depth

Laryngeal mask airway (LMA) size