Lung Capacity Calculator

Free calculate lung capacity and volumes. This is an educational tool only - always consult a healthcare provider.

Patient Information

Results

Enter information to calculate lung capacity

About Lung Capacity

  • • FVC: Total volume exhaled forcefully
  • • FEV1: Volume exhaled in first second
  • • FEV1/FVC ratio: Normal >70%
  • • Predicted values based on age, height, gender
  • • % Predicted: (Actual / Predicted) × 100