ANC Absolute Neutrophil Count Calculator

Enter your WBC count and neutrophil differential percentages to instantly calculate ANC and assess neutropenia severity.

Use the ANC Absolute Neutrophil Count Calculator

CBC Differential Values

Normal range: 4.5 – 11.0 K/uL

Mature neutrophils, normal: 50–70%

Immature neutrophils, normal: 0–10%

Formula

ANC = WBC × (Segs% + Bands%) ÷ 100

Result is in K/uL (thousands of cells per microliter).

Enter your CBC values and click Calculate ANC to see results.

Summary

The ANC (Absolute Neutrophil Count) Calculator computes the total number of neutrophils in your blood from a CBC with differential. It combines segmented neutrophils (segs) and band neutrophils (bands) to give a precise ANC value. Clinicians use ANC to diagnose neutropenia, guide chemotherapy dosing decisions, and stratify infection risk in immunocompromised patients.

How it works

  1. Enter your White Blood Cell (WBC) count in thousands per microliter (K/uL).
  2. Enter the percentage of segmented neutrophils (segs/polys) from your differential.
  3. Optionally enter the percentage of band neutrophils (immature neutrophils).
  4. Click Calculate to compute the ANC using the formula: ANC = WBC × (Segs% + Bands%) / 100.
  5. Review your ANC value and the corresponding neutropenia severity classification.

Use cases

  • Monitor neutropenia during chemotherapy or radiation therapy.
  • Determine whether a patient is safe to receive myelosuppressive treatment.
  • Assess infection risk in patients with fever and low white cell counts.
  • Track bone marrow recovery after stem cell transplantation.
  • Evaluate congenital or cyclic neutropenia severity.
  • Guide antibiotic prophylaxis decisions in oncology settings.
  • Educational use in nursing and medical training programs.
  • Quick bedside reference for interpreting CBC with differential results.

Frequently Asked Questions

Last updated: 2026-09-30 · Reviewed by Nham Vu