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Clinical education

Medical calculator guides

Step-by-step tutorials for BMI, eGFR, HEART, CHA₂DS₂-VASc, Wells, and more — browser-based calculators with no patient data stored.

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Disclaimer: These guides and calculators are educational aids only. They do not diagnose, treat, or replace licensed medical advice. Always follow local clinical protocols.

Featured guides

BMI Calculator Guide — WHO Categories & Clinical Use

Calculate body mass index from height and weight. WHO categories, limitations for athletes, and when to use BMI in screening.

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CHA₂DS₂-VASc Guide — Stroke Risk in Atrial Fibrillation

Score stroke risk in AF patients for anticoagulation discussions. Pair with HAS-BLED for bleeding risk.

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eGFR Calculator Guide — CKD Staging & Kidney Function

Estimate glomerular filtration rate from creatinine, age, and sex. CKD staging bands and clinical correlation tips.

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HEART Score Guide — Chest Pain Risk Stratification

Calculate HEART score for emergency chest pain patients. Components, MACE risk bands, and shared decision-making.

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Medical Calculators Hub — Free Clinical Scores Online

BMI, eGFR, HEART, CHA₂DS₂-VASc, Wells, GCS, MAP, and more — browser-based calculators for education and documentation.

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Wells Score Guide — DVT and PE Pre-Test Probability

Calculate Wells criteria for deep vein thrombosis and pulmonary embolism. Low vs high risk pathways.

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Screening & renal function

Body composition and kidney function estimates for intake and staging.

BMI Calculator

WHO categories from height and weight.

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eGFR Calculator

CKD staging from creatinine, age, and sex.

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Cardiovascular & thrombosis

Chest pain, AF stroke risk, and VTE pre-test probability scores.

HEART Score

Emergency chest pain MACE stratification.

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CHA₂DS₂-VASc Score

Stroke risk in atrial fibrillation.

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Wells Score (DVT/PE)

Deep vein thrombosis and pulmonary embolism probability.

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HAS-BLED Score

Bleeding risk on anticoagulation.

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Acute care scores

Neurology, hemodynamics, burns, and stroke severity scales.

GCS Calculator

Glasgow Coma Scale for consciousness level.

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MAP Calculator

Mean arterial pressure from vitals.

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Parkland Formula

Burn resuscitation fluid estimate.

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NIHSS Calculator

NIH Stroke Scale severity score.

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Long-tail clinical guides

Scenario-specific pages for SEO and patient education — BMI for women, eGFR for elderly patients, and more.

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Further reading