Medical Calculators

Technical medical calculators designed for medical students, intern doctors, and junior doctors. These tools are intended for education, exam preparation, ward learning, and formula revision. They do not replace clinical judgement, local protocols, or senior and specialist advice.

Electrolytes & Biochemistry

Calcium Correction

Corrected Calcium Calculator

Correct serum calcium for abnormal albumin using mg/dL or mmol/L. Useful in hypoalbuminaemia.

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Acid–Base Assessment

Blood Gas & Anion Gap

Blood Gas Analyser

ABG/VBG interpretation tool for pH, PCO₂, HCO₃⁻, anion gap, compensation, delta ratio, lactate, and oxygenation.

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Anion Gap Calculator

Calculate anion gap and albumin-corrected anion gap for acid–base assessment.

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Renal Function & Drug Dosing

Creatinine Clearance

Creatinine Clearance Calculator

Estimate creatinine clearance using the Cockcroft–Gault equation. Relevant for renal function staging and drug dosing.

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Educational use only. These calculators are intended for medical students and junior doctors. They do not replace clinical judgement, local guidelines, laboratory reference ranges, or senior and specialist advice.