Centor Calculator
Use the Centor Calculator for a transparent, instant calculation with validated inputs and cited sources. For a query such as “centor”, enter the matching values and units below and review the stated assumptions. The same model applies to the related search “centor” only when it uses the displayed inputs and assumptions.
How to use this calculator
Enter the requested values and units.
Review the assumptions and any warnings shown with the result.
Use the result together with the cited source and your real-world requirements.
Formula
Add the labeled Modified Centor criterion and age-band points exactly as displayed; the result is a score, not a diagnosis.
Worked example
Worked example: Inputs: Tonsillar exudate or swelling: 0 — No: tonsillar exudate or swelling is absent; Tender anterior cervical nodes: 0 — No: tender anterior cervical adenopathy is absent; Measured fever above 38 °C (100.4 °F): 0 — No: temperature above 38 °C is absent; Absence of cough: 0 — No: cough is absent is absent; Modified Centor age adjustment: 0 — Age 15–44 years. Outputs: Total score: 0.
Assumptions and limits
- The result depends on the values, units, and assumptions entered. It does not infer missing context.
- Review the assumptions and any warnings shown with the result.
Sources
- Canadian Medical Association Journal: A clinical score to reduce unnecessary antibiotic use in patients with sore throatReference material reviewed for the stated method, units, or domain. Confirm that its scope matches your use case. Reviewed 2026-08-14.
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Frequently asked questions
How does the Centor Calculator work?
Add the labeled Modified Centor criterion and age-band points exactly as displayed; the result is a score, not a diagnosis.
What should I enter?
Tonsillar exudate or swelling, Tender anterior cervical nodes, Measured fever above 38 °C (100.4 °F), Absence of cough, Modified Centor age adjustment
What should I verify?
Review the assumptions and any warnings shown with the result. The result depends on the values, units, and assumptions entered. It does not infer missing context.
Last updated 2026-08-14 · modified-centor-labeled-v2 · opportunity-content-2026-08-14 · Trusty Calculator Editorial Team