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Estimating LDL Cholesterol

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This tool estimates LDL cholesterol and non-HDL cholesterol.
Total Cholesterol
mg/dL
HDL (Good) Cholesterol
mg/dL
Triglycerides
mg/dL
LDL (Bad) Cholesterol mg/dL
Non-HDL Cholesterol mg/dL
L/H ratio 

Calculation Formula

LDL (bad) cholesterol is calculated using the Friedewald formula.


  • LDL (bad) cholesterol = Total cholesterol − HDL (good) cholesterol − Triglycerides / 5

  • Non-HDL cholesterol = Total cholesterol − HDL (good) cholesterol

  • L/H Ratio = LDL (bad) cholesterol / HDL (good) cholesterol



This calculation cannot be performed if the triglyceride level is 400 mg/dL or higher.


*This site assumes no responsibility whatsoever for calculation results or other information. We do not provide individual consultations.
*This library was created at the request of an employee of a medical device manufacturer.

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