How to Use Stroke Volume Calculator
The Stroke Volume Calculator needs cardiac output in L/min and heart rate in beats per minute. It converts liters to milliliters and divides by heart rate to estimate the blood volume ejected per beat.
Use it when cardiac output is already known from echo, thermodilution or another monitoring method. Keep the cardiac-output unit as L/min; entering mL/min as if it were L/min will distort the result by a factor of 1000.
Formula & Theory - Stroke Volume Calculator
Stroke volume is the amount of blood ejected with one contraction. Cardiac output is the total pumped in one minute, so dividing cardiac output by beats per minute gives volume per beat. The multiplier of 1000 converts liters to milliliters.
The value is influenced by preload, afterload, contractility and valve disease. This calculator performs the hemodynamic conversion only; it does not diagnose low-output states or volume status.
Stroke volume (mL/beat) = Cardiac output (L/min) × 1000 / Heart rate (beats/min)Use Cases for Stroke Volume Calculator
Use it in cardiovascular teaching, echo-report explanation, ICU data review and exercise physiology. It also pairs naturally with cardiac-output tools to show the relationship among CO, HR and SV.