Internal Medicine · Critical Care

Neutrophil-to-Lymphocyte Ratio (NLR) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Nlr Neutrophil Count K Per Ul (×10³/µL)

Nlr Lymphocyte Count K Per Ul (×10³/µL)

Result

Complete all required inputs to calculate the score.

Formula inputs

Nlr Neutrophil Count K Per Ul (×10³/µL)Accepted range: 0 to 50
Nlr Lymphocyte Count K Per Ul (×10³/µL)Accepted range: 0 to 20

Primary source

Forget P et al. The neutrophil-lymphocyte count ratio in patients with sepsis. Crit Care. DOI: 10.1186/cc9332. PMID: 21078196. Scope: NLR = absolute neutrophil count / absolute lymphocyte count (×10³/µL). (2010)

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