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Cholesterol/HDL Ratio and Cardiovascular Risk Calculator

TC/HDL ratio — simple CV risk indicator.

Calculates the total cholesterol / HDL ratio. Ratio < 3.5 is optimal, > 5.0 is high risk. Also computes LDL using the Friedewald equation: LDL = TC − HDL − TG/5.

Priya Venkatesan By Priya Venkatesan
Published Last reviewed 1 min read

Inputs

mg/dL
mg/dL
mg/dL

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

TC/HDL; LDL = TC − HDL − TG/5

In depth

Calculates the total cholesterol / HDL ratio. Ratio < 3.5 is optimal, > 5.0 is high risk. Also computes LDL using the Friedewald equation: LDL = TC − HDL − TG/5.