LDL Cholesterol Calculator

LDL cholesterol (Martin-Hopkins)
124 mg/dL
LDL Cholesterol Calculator
LDL cholesterol (Friedewald)
120 mg/dL
Non-HDL cholesterol
150 mg/dL
Martin-Hopkins factor used
5.7
LDL cholesterol (Martin-Hopkins)
3.20 mmol/L
LDL cholesterol (Friedewald)
3.11 mmol/L
Non-HDL cholesterol
3.89 mmol/L
Total cholesterol to HDL ratio
4.0
Worked out from Friedewald WT, Levy RI, Fredrickson DS, Clinical Chemistry 1972;18(6):499-502 and 2 other sources.
An estimate from a lipid panel, not a diagnosis. Treatment decisions belong with a clinician.

How this is worked out

4 steps
  1. Non-HDL cholesterol = 200 − 50 = 150 mg/dL
  2. Martin-Hopkins factor for triglycerides 150 and non-HDL 150 = 5.7
  3. Martin-Hopkins LDL = 150 − 150 ÷ 5.7 = 124 mg/dL
  4. Friedewald LDL = 150 − 150 ÷ 5 = 120 mg/dL

Results are general information, not financial, tax, legal, medical or engineering advice.