Cholesterol Risk Calculator

Turn your lipid panel numbers into the commonly used total/HDL ratio and standard LDL category — a quick screening view, not a diagnosis.

Total cholesterol (mg/dL)

HDL — ‘good’ cholesterol (mg/dL)

LDL — ‘bad’ cholesterol (mg/dL, optional)

Triglycerides (mg/dL, optional)

Total / HDL ratio

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Non-HDL cholesterol (total − HDL)

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LDL category

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How it works: The total/HDL ratio = total cholesterol ÷ HDL. As a rough guide, under 3.5 is considered lower risk, 3.5–5 average, and over 5 higher risk. Non-HDL (total − HDL) captures all the artery-clogging fractions in one number. Real cardiovascular risk also depends on blood pressure, smoking, diabetes, age and family history — only a clinician who knows your full picture can assess it.

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Estimates only — this tool is for general information and planning, not medical advice. If you have a health concern, please talk to a qualified clinician.