Medical Calculators & Reference Tools
Evidence-based calculators for hematology, kidney function, metabolic panels, and more. All tools are reviewed by licensed medical professionals and free to use.
Hematology
Blood count interpretation, iron studies, neutrophil counts, and anemia workup tools.
ANC Calculator — Absolute Neutrophil Count
Calculates Absolute Neutrophil Count from WBC and differential. Grades neutropenia severity (mild/moderate/severe/agranulocytosis) per CTCAE v5.0, assesses infection risk,…
CBC Interpreter
Complete Blood Count interpreter. Flags anemia (microcytic/normocytic/macrocytic), leukopenia, leukocytosis, thrombocytopenia, and thrombocytosis. Provides differential diagnosis for each abnormality…
Iron Studies Interpreter
Interprets ferritin, serum iron, TIBC, transferrin saturation, and soluble transferrin receptor. Differentiates iron deficiency anemia, anemia of chronic…
Reticulocyte Production Index (RPI)
Calculates the Reticulocyte Production Index to distinguish hypoproliferative anemia (bone marrow failure, iron/B12 deficiency) from hyperproliferative anemia (blood…
Kidney & Renal
eGFR, KFRE risk estimation, UACR ratio, and kidney function calculators.
Anion Gap Calculator
Calculates serum anion gap with albumin correction and delta ratio. Identifies high AG vs normal AG metabolic acidosis…
eGFR Calculator
CKD-EPI 2021 equation. Estimates kidney function from serum creatinine and assigns CKD stage 1–5.
KFRE — Kidney Failure Risk Estimator
4-variable Kidney Failure Risk Equation. Predicts 2-year and 5-year risk of kidney failure requiring dialysis or transplant, using…
Osmolality Calculator
Calculates serum osmolality, osmol gap, and urine osmolality. Identifies toxic alcohol ingestion, SIADH vs diabetes insipidus, and evaluates…
UACR — Urine Albumin-to-Creatinine Ratio
Calculates urine albumin-to-creatinine ratio from spot urine sample. Stages albuminuria per KDIGO 2024 guidelines (A1–A3) with clinical interpretation…
Diabetes & Glucose
HbA1c, glucose converters, insulin resistance, and diabetes monitoring tools.
ADA Diabetes Risk Score
American Diabetes Association 7-question prediabetes risk test. Score ≥ 5 recommends fasting glucose or HbA1c testing. Calculates BMI…
eAG from HbA1c Calculator
Converts HbA1c (%, NGSP) to estimated average glucose (eAG) in mg/dL and mmol/L using the ADA ADAG equation.…
HOMA-IR Calculator
Homeostatic Model Assessment of Insulin Resistance from fasting glucose and fasting insulin. Identifies insulin resistance before clinical diabetes.…
Liver & GI
Liver function scores, Child-Pugh, MELD, and GI panel calculators.
Endocrine
More Tools Launching Soon
We are building a 30+ tool clinical reference suite. New calculators added regularly — cardiovascular risk scores, liver function, thyroid, infectious disease, and more.