Hematology calculators
27 calculators Blood Volume Calculator Estimate total blood volume from sex, height, and weight using Nadler, Lemmens-Bernstein-Brodsky, or weight-based methods, with red cell and plasma volume by hematocrit.
Open 4T Score Calculator - HIT Risk Assessment Calculate the 4T score for heparin-induced thrombocytopenia (HIT). Enter four clinical criteria to get your pre-test probability and management guidance.
Open Absolute Eosinophil Count Calculator Calculate your absolute eosinophil count from WBC and eosinophil percentage. Instant AEC result with normal range, eosinophilia severity, and clinical interpretation.
Open Absolute Lymphocyte Count Calculator Calculate absolute lymphocyte count from WBC and lymphocyte percentage. Get ALC with normal ranges, CD4 correlation, age-based reference table, and clinical interpretation.
Open Absolute Reticulocyte Count Calculator Calculate Absolute Reticulocyte Count (ARC), Corrected Reticulocyte Count, and Reticulocyte Production Index (RPI) instantly. Includes clinical interpretation ranges.
Open Age-Adjusted D-Dimer Calculator Calculate the age-adjusted D-dimer cutoff (age x 10 ng/mL FEU) to safely rule out pulmonary embolism in low-risk patients over 50. Supports FEU and DDU units.
Open Albumin Globulin Ratio Calculator Calculate your albumin to globulin (A/G) ratio from serum albumin and total protein. Includes globulin, interpretation, and reference ranges for both g/dL and g/L.
Open Allowable Blood Loss Calculator Calculate the maximum allowable blood loss (ABL) before transfusion using the Gross formula. Supports hematocrit and hemoglobin modes for all patient types.
Open ANC Calculator - Absolute Neutrophil Count Calculate your Absolute Neutrophil Count (ANC) from WBC and neutrophil percentages. Get NCI CTCAE neutropenia grade, infection risk, and clinical interpretation instantly.
Open ANC Calculator without Bands Calculate Absolute Neutrophil Count (ANC) without band neutrophils. Enter WBC and segmented neutrophil percentage for instant neutropenia grading and infection risk.
Open Blood Donation Due Date Calculator Find your next blood donation date. Enter your last donation and type (whole blood, platelets, plasma, double red cell) to see your eligibility date and countdown.
Open Blood Donor Calculator Find your next eligible blood donation date, blood type compatibility, estimated blood volume, and how many lives you can save per year. Free, instant results.
Open Blood Type Calculator Enter both parents' blood types and get the probability of each of the 8 possible blood types for their child, plus Punnett square logic and transfusion compatibility.
Open Corrected Reticulocyte Count Calculator Calculate the corrected reticulocyte count (CRC) and reticulocyte production index (RPI) from hematocrit and reticulocyte%, with clinical interpretation.
Open DIC Syndrome Calculator (ISTH Score) ISTH DIC score calculator for disseminated intravascular coagulation. Enter platelet count, D-dimer, PT prolongation, and fibrinogen for an instant scored result.
Open Diffuse Large B-Cell Lymphoma (DLBCL) Prognosis Calculator Calculate your DLBCL prognosis using the IPI or Revised IPI (R-IPI). Get a risk group, estimated 4-year overall survival, and progression-free survival instantly.
Open Fresh Frozen Plasma (FFP) Dose Calculator Calculate the total FFP volume and number of units needed by weight and dose. Includes dosing range, unit count, factor-level rise estimate, and clinical reference table.
Open Hematocrit to Hemoglobin Ratio Calculator Calculate your HCT/HGB ratio. Enter hematocrit and hemoglobin to get the ratio, interpret results, estimate one from the other, and check normal reference ranges.
Open INR Calculator Calculate your International Normalized Ratio from prothrombin time and ISI. Get instant INR, bleeding risk category, and condition-specific therapeutic targets.
Open Iron Deficiency Calculator (Ganzoni Equation) Calculate total iron deficit in mg using the Ganzoni equation. Enter weight, actual and target hemoglobin to find the IV iron dose needed to correct anemia.
Open Mentzer Index Calculator Calculate the Mentzer Index from MCV and RBC to help distinguish beta thalassemia trait from iron deficiency anemia, with interpretation and normal ranges.
Open MIPI Calculator - Mantle Cell Lymphoma International Prognostic Index Calculate the MIPI and MIPIb scores for mantle cell lymphoma from age, ECOG status, LDH, WBC, and Ki-67. Get the score, risk group, and median survival.
Open mmol/L to mg/dL Calculator Convert blood glucose between mmol/L and mg/dL instantly. Includes bidirectional conversion, clinical reference ranges, and WHO fasting glucose categories.
Open NLR Calculator (Neutrophil-to-Lymphocyte Ratio) Calculate the neutrophil-to-lymphocyte ratio (NLR) from absolute counts or WBC differentials. See clinical interpretation, inflammation bands, and disease-specific thresholds.
Open Plasma Volume Calculator Calculate plasma volume, RBC volume, and total blood volume via the Nadler formula. Enter sex, height, weight, and hematocrit for an instant, accurate estimate.
Open RBC Indices Calculator - MCV, MCH, and MCHC Calculate MCV, MCH, and MCHC from your hemoglobin, hematocrit, and RBC count. Get instant results, clinical interpretations, and anemia classification.
Open Transferrin Saturation Calculator Calculate transferrin saturation (TSAT) from serum iron and TIBC or transferrin, with reference ranges, UIBC, and interpretation for iron deficiency and overload.
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