Lung Age Calculator

Estimate your lung age using spirometry measurements and lifestyle factors.

Spirometry Values

years
cm
L

Forced expiratory volume

L

Forced vital capacity

Risk Factors

Your Lung Age

100

years

60 years older

FEV1 %
86%
FEV1/FVC
78%
Predicted FEV1
4.08 L
Smoking Impact
+0 yrs

Lung Health

Poor - Lungs significantly older

Low - Mild reduction

Normal FEV1/FVC: > 70%

Normal FEV1: > 80% predicted

Quitting smoking improves lung age