Johns Hopkins Pulmonary Function Predicted Values

Pulmonary Function Laboratory

Pulmonary Function Predicted Values

Enter all indicated values and click the "Calculate" button to see predicted values based on entered information. Predicted values returned are based on equations from the following sources:

  • Johns Hopkins Pulmonary Function Laboratory
  • Crapo (1981)
  • Knudson (1976)

  • Morris (1971)
  • Cherniak (1977)
  • NHANES / Hankinson (1999)

Note: This calculator does not perform ethnicity adjustments.

Please email questions or comments to pftlab@www.med.jhu.edu.