Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Nominal values for normal human adult breathing at sea-level
| Condition | Rate (Breaths/min) | Tidal Volume (L/breath) | Minute Ventilation (L/min) |
|---|---|---|---|
| Nominal At-Rest | 12 | 0.5 | 6 |
| Normal Activity | 16 | 1 | 16 |
| Moderate Exercise | 20 | 2 | 40 |
| Stress Test | 35 | 3 | 140 |
| Maximum PFT* | NA | 4.5 | NA |
standard pulmonary function test (PFT)
NA: not applicable.
