Work out stroke volume instantly with clear inputs, formula shown and shareable results.
Derives the volume ejected per beat from cardiac output and heart rate, and indexes it to body surface area.
Stroke volume
SV (mL) = CO (L/min) x 1000 / HR (bpm); SVI = SV / BSA
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
Roughly 60 to 100 mL per beat in a resting adult.
Endurance training typically raises stroke volume, which is why trained resting heart rates are lower for the same output.