Absolute Eosinophil Count Calculator
Calculate absolute eosinophil count from WBC and eosinophil percentage.
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Absolute eosinophil count
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Derived absolute count; no diagnostic category is assigned
Equivalent: — cells/µL
About
Absolute eosinophil count (AEC) is calculated by multiplying the total white blood cell count by the eosinophil percentage from the same differential.
Formula
Interpretation
What the result represents: A calculated absolute eosinophil concentration.
Input units: WBC may use ×10³/µL, ×10⁹/L, or cells/µL. Eosinophils must be entered as 0–100%, not a decimal fraction.
Worked example: WBC 8.0 ×10⁹/L and eosinophils 5% gives 0.40 ×10⁹/L, or 400 cells/µL.
Applicable population: CBC differential results where WBC and eosinophil percentage come from the same sample.
Interpretation limitations: Prefer a directly reported absolute count when available. Laboratory ranges and clinical context vary; this arithmetic does not establish allergy, parasitic infection, a medication reaction, or an eosinophilic disorder.
FAQ
Disclaimer
Educational and informational reference only. Not intended to replace professional medical advice, diagnosis, treatment, or independent verification.