How it works
LDL is estimated with the Friedewald equation: total − HDL − triglycerides ÷ 5. It is less reliable when triglycerides are above 400 mg/dL.
Please note
This tool gives a general estimate for information only. It is not medical advice — talk to a doctor or pharmacist about your own situation.
Frequently asked questions
What is a good ratio?
A total/HDL ratio below 5 is good; below 3.5 is ideal.