Cholesterol Ratio Calculator
Total to HDL ratio and LDL estimate.
Enter your values
ⓘ Live results
Results
- Total : HDL ratio
- 3.75 : 1
- LDL (Friedewald)
- 119 mg/dL
- Non-HDL cholesterol
- 143 mg/dL
- Risk band
- Average
- Triglyceride : HDL
- 2.31
Quick answer
The total-to-HDL cholesterol ratio predicts cardiovascular risk better than total cholesterol alone; below 3.5 is ideal.
LDL = Total − HDL − Triglycerides/5
How to use the Cholesterol Ratio Calculator
- 1Enter values from your lipid panel in mg/dL.
- 2Ensure you fasted if triglycerides were measured.
- 3Discuss results with your clinician.
Worked example
Using the values the calculator loads with:
Inputs
- Total cholesterol195 mg/dL
- HDL52 mg/dL
- Triglycerides120 mg/dL
Results
- Total : HDL ratio3.75 : 1
- LDL (Friedewald)119 mg/dL
- Non-HDL cholesterol143 mg/dL
- Risk bandAverage
- Triglyceride : HDL2.31
Frequently asked questions
Is Friedewald always valid?
No — it is unreliable when triglycerides exceed 400 mg/dL.
What is a good HDL?
Above 40 mg/dL for men and 50 for women.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.