Work out minute ventilation instantly with clear inputs, formula shown and shareable results.
Multiplies tidal volume by respiratory rate for total minute ventilation, and subtracts dead space to give the alveolar share that takes part in gas exchange.
Minute ventilation
MV (L/min) = tidal volume (mL) x rate / 1000; alveolar ventilation = (tidal volume - dead space) x rate / 1000
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
Around 5 to 8 L/min in a resting adult.
About 2 mL per kilogram of body weight, or roughly 150 mL in an average adult.