Reference Value Calculator
Enter Age, Height, Gender and Race. To see Percent Prediced, you must enter observed FVC, FEV1, and FEF25-75% values in the appropriate boxes. Click Calculate to calculate the predicted values.
Disclaimer: This calculator is intended for use with the NIOSH Spirometry Workbook exercises and has NOT been approved by the FDA for clinical use.
© Hankinson Consulting, Inc., 11/25/2003; 5/1/2006
- Page last reviewed: December 22, 2011
- Page last updated: November 9, 2015
- Content source:
- National Institute for Occupational Safety and Health Respiratory Health Division