NLR Calculator (Neutrophil-to-Lymphocyte Ratio)
Health & FitnessCalculate the neutrophil-to-lymphocyte ratio, a marker of systemic inflammation.
NLR
Neutrophil-to-lymphocyte ratio. Educational reference only, not a substitute for clinical judgment.
Interpretation
General interpretation based on published reference bands. Grey zone - low inflammation
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Odeh Ahwal0people find this calculator helpful
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Saved
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Frequently Asked Questions
What is NLR used for?
NLR is a simple, widely studied marker of systemic inflammation and physiological stress, used across many conditions including infection severity, cancer prognosis, and cardiovascular risk assessment.
What is a normal NLR?
Healthy, non-elderly adults typically have an NLR between roughly 0.78 and 3.53, though exact reference ranges and clinical significance can vary by the condition being assessed.
Why is NLR useful compared to looking at neutrophils or lymphocytes alone?
NLR captures the balance between the innate immune response (neutrophils) and adaptive immune response (lymphocytes), which can reveal patterns of stress or inflammation that either count alone might miss.
Is this calculator a substitute for medical advice?
No. This is an educational reference implementation of the standard NLR formula, not a substitute for a physicians clinical assessment.
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