Lung Age Calculator

Estimate your lung age using spirometry measurements and lifestyle factors.

Spirometry Values

Age

years

Gender

Height

FEV1

Forced expiratory volume

FVC

Forced vital capacity

Smoking Status

Occupational Exposures

Your Lung Age

100

years

60 years older

FEV1 %

86%

FEV1/FVC

78%

Predicted FEV1

4.08 L

Smoking Impact

+0 yrs

Poor - Lungs significantly older

Low - Mild reduction

Normal FEV1/FVC: > 70%

Normal FEV1: > 80% predicted

Quitting smoking improves lung age