Respiratory Volumes & Capacities

Interactive Spirometry Simulation

Lung Volume Monitor

Volume: 2900 mL

Simulate Breathing

Live Spirogram

Live Recording

Graph shows total lung volume over time.

Measurements & Definitions

Volumes

  • Tidal Volume (TV) 500 mL
  • Inspiratory Reserve (IRV) 3100 mL
  • Expiratory Reserve (ERV) 1200 mL
  • Residual Volume (RV) 1200 mL

Capacities (Sums of Volumes)

  • Inspiratory Capacity (IC) 3600 mL
  • Functional Residual (FRC) 2400 mL
  • Vital Capacity (VC) 4800 mL
  • Total Lung Capacity (TLC) 6000 mL
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