Estimate predicted vital capacity based on height and age.
Biometric Data
cm
years
Lung Volume Estimate
Predicted VC4.84Liters
Theoretical Capacity
This value represents the estimated normal volume for a male of this height and age.
About this calculator
Overview
Vital Capacity (VC) is the maximum amount of air a person can expel from the lungs after a maximum inhalation. Predicted Vital Capacity provides a baseline for comparison during spirometry testing, helping to identify restrictive or obstructive lung diseases.
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Pro Tips
Height is the most critical physiological determinant of lung volume.
For the most accurate results, use the patient's standing height without shoes.
Spirometry interpretation should use the actual measured value (FVC or VC) divided by this predicted value.
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Fun Facts
"Vital capacity is influenced by age, sex, height, and ethnicity."
"It typically peaks in the early 20s and gradually declines with age."
"A healthy individual should have a measured VC of ≥ 80% of their predicted value."
"Restrictive lung diseases (e.g., pulmonary fibrosis) typically cause a significant reduction in vital capacity."
