Haematology Calculators

Automated red cell indices, absolute leukocyte counts, and core laboratory reference estimators.

Corrected WBC Count (for nRBCs)

Uncorrected WBC ($\times10^9$/L)

nRBCs counted per 100 WBC

Corrected WBC: -

Absolute Cell Count

Total WBC ($\times10^9$/L)

Cell Type Proportion (%)

Absolute Count: -

Reticulocyte Production Index (RPI)

Patient Reticulocytes (%)

Patient Haematocrit / PCV (%)

Maturation correction factor (MCF) applied automatically based on clinical HCT thresholds (HCT ≤35% = 1.5, ≤25% = 2.0, ≤15% = 2.5).

RPI: -

Disclaimer: This toolkit is intended to support trained laboratory professionals. It provides calculation and decision-support functions and should be used in conjunction with local SOPs, validated laboratory procedures and current national guidelines. Final clinical interpretation remains the responsibility of the reporting laboratory.