Cardiology · Internal Medicine
Friedewald Estimated LDL Cholesterol calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
Complete all required inputs to calculate the score.
Formula inputs
- Total cholesterol (mg/dL)Accepted range: 50 to 600
- HDL cholesterol (mg/dL)Accepted range: 10 to 150
- Triglycerides (mg/dL)Accepted range: 30 to 1000
Primary source
Friedewald WT et al. Estimation of the concentration of low-density lipoprotein cholesterol in plasma, without use of the preparative ultracentrifuge. Clin Chem. DOI: 10.1093/clinchem/18.6.499. PMID: 4337382. Scope: LDL-C (mg/dL) = total cholesterol − HDL-C − triglycerides/5; valid when triglycerides are below 400 mg/dL in the original method. (1972)
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