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CURB-65 Score Calculator

Severity score for community-acquired pneumonia.

Compute the CURB-65 score for community-acquired pneumonia: 1 point each for Confusion, Urea > 7 mmol/L, Respiratory rate ≥ 30, BP (SBP < 90 or DBP ≤ 60), and Age ≥ 65.

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

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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

Score = sum of the 5 yes/no items. 0–1 outpatient; 2 short stay or supervised outpatient; ≥3 hospitalisation, consider ICU.

In depth

Compute the CURB-65 score for community-acquired pneumonia: 1 point each for Confusion, Urea > 7 mmol/L, Respiratory rate ≥ 30, BP (SBP < 90 or DBP ≤ 60), and Age ≥ 65.