GOLD COPD Spirometry Classification Calculator

Classify COPD severity using GOLD spirometric grades 1-4 based on post-bronchodilator FEV1 percentage of predicted.

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Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Classify COPD severity using GOLD spirometric grades 1-4 based on post-bronchodilator FEV1 percentage of predicted

Each component has a specific meaning:

  • GOLD spirometric grades 1-4 based on post-bronchodilator FEV1 percentage of predicted — The gold spirometric grades 1-4 based on post-bronchodilator fev1 percentage of predicted recorded for the scenario being assessed.

Note: Interpret the gold copd grade result against the thresholds and context described above.

How to Use

Enter the GOLD spirometric grades 1-4 based on post-bronchodilator FEV1 percentage of predicted for the scenario you are assessing. Classify COPD severity using GOLD spirometric grades 1-4 based on post-bronchodilator FEV1 percentage of predicted. Use the gold copd grade result to inform your calculation.

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Frequently Asked Questions