50 Clinical Calculators.
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Evidence-based formulas with references. Built for quick bedside use.

Tip: Try searching ‘egfr’ or ‘stroke’

General

→BMI Calculator →Corrected Calcium Calculator →Anion Gap Calculator →Ideal Body Weight Calculator →Maintenance IV Fluid Rate (4-2-1 Rule)→Body Surface Area (BSA) Calculator →IV Drip Rate Calculator →Lab Unit Converter (mg/dL ↔ mmol/L)→Adjusted Body Weight Calculator

Renal

→eGFR Calculator (CKD-EPI)→Creatinine Clearance (Cockcroft-Gault)→Sodium Correction for Hyperglycemia →Serum Osmolality Calculator →Kt/V (Dialysis Adequacy)→Urine Protein-Creatinine Ratio (UPCR)→Albumin-Corrected Anion Gap

Cardiac

→QTc Calculator →ASCVD Risk Calculator →Mean Arterial Pressure (MAP) Calculator →CHA₂DS₂-VASc Score →Revised Cardiac Risk Index (RCRI)→GRACE ACS Risk Score →HAS-BLED Score

Pulmonary

→A-a Gradient Calculator →Alveolar Gas Equation Calculator

Hepatic

→MELD Score Calculator →Child-Pugh Score

Vascular

→Framingham Risk Score

Emergency

→Wells Score for PE →CURB-65 Score

Emergency/ICU

These get used a lot during night shifts.

→Glasgow Coma Scale (GCS)→APACHE II Score →SOFA Score →SIRS Criteria →Burns BSA — Rule of Nines →Parkland Formula (Burns Fluid Resuscitation)→Shock Index Calculator →qSOFA Score →RASS (Richmond Agitation-Sedation Scale)→BISAP Score (Pancreatitis Severity)→PSI (Pneumonia Severity Index)

Neurology

→NIH Stroke Scale (NIHSS)→Hunt-Hess Scale (SAH)→ABCD² Score (TIA)

Endocrine

→HbA1c to Average Glucose Converter →TSH Interpreter (Thyroid Function)

Pediatric

→Pediatric Weight Estimation →Pediatric Dosing Calculator →Pediatric Dehydration Assessment

Hematology

→Absolute Neutrophil Count (ANC)

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