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Lung Capacity Calculator

Estimate predicted vital lung capacity from age, height, and sex — commonly used as a reference value in pulmonary screening.

Priya Venkatesan By Priya Venkatesan
Reviewed by Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

years
cm

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Uses a simplified Crapo-style reference: Men: VC = 0.052·h − 0.022·a − 3.60, Women: VC = 0.041·h − 0.018·a − 2.69, with h in cm and a in years.

In depth

Estimate predicted vital lung capacity from age, height, and sex — commonly used as a reference value in pulmonary screening.