basic

Friedewald LDL Cholesterol Calculator

LDL = TC − HDL − TG / 5 (mg/dL).

Estimate LDL cholesterol from a standard lipid panel using the classic Friedewald equation: LDL = TC − HDL − TG / 5 (in mg/dL). Inaccurate when triglycerides exceed ~400 mg/dL.

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

LDL = TC − HDL − TG / 5 (mg/dL).

In depth

Estimate LDL cholesterol from a standard lipid panel using the classic Friedewald equation: LDL = TC − HDL − TG / 5 (in mg/dL). Inaccurate when triglycerides exceed ~400 mg/dL.