✓ Medically Reviewed by Dr. Priya Sammani (MBBS, Medical Officer)
LDL Cholesterol Calculator (Friedewald & NIH Sampson)
Free LDL Cholesterol Calculator (mg/dL & mmol/L). Calculate LDL-C, Non-HDL, and VLDL using both the modern NIH Sampson 2020 equation and classic Friedewald formula.
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📈 Result Spectrum
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❓ Frequently Asked Questions
Why use the NIH Sampson equation instead of Friedewald?
The classic Friedewald equation underestimates LDL when triglycerides exceed 150 mg/dL and is invalid above 400 mg/dL; the 2020 NIH Sampson formula remains accurate up to TG 800 mg/dL.
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