SF-36 Physical Component Summary (PCS) Calculator

Calculate the SF-36 Physical Component Summary (PCS) score from 36-item Health Survey subscales. Population norm is 50 (SD 10). PCS < 40 indicates significant physical health impairment.

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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

Calculate the SF-36 Physical Component Summary (PCS) score from 36-item Health Survey subscales. Population norm is 50 (SD 10). PCS < 40 indicates significant physical health impairment

Each component has a specific meaning:

  • 36-item Health Survey subscales — The 36-item health survey subscales recorded for the scenario being assessed.

Note: Interpret the sf-36 physical score result against the thresholds and context described above.

How to Use

Enter the 36-item Health Survey subscales for the scenario you are assessing. Calculate the SF-36 Physical Component Summary (PCS) score from 36-item Health Survey subscales. Population norm is 50 (SD 10). PCS < 40 indicates significant physical health impairment. Use the sf-36 physical score result to inform your calculation.

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Frequently Asked Questions