Lipid Panel Calculator
Enter your lab values to estimate additional cholesterol metrics and see a quick interpretation.
Educational use only. This tool does not diagnose, treat, or replace professional medical advice.
What this cholesterol numbers calculator does
A standard cholesterol blood test gives several values, but many people still wonder what those numbers actually mean. This calculator helps by taking your core lipid panel values and producing useful derived metrics:
- Non-HDL cholesterol (Total minus HDL)
- Estimated LDL if triglycerides are provided and direct LDL is not entered
- Total cholesterol to HDL ratio
- Triglyceride to HDL ratio (using mg/dL-equivalent interpretation)
- Quick category labels to make the numbers easier to understand
These outputs can help you discuss your cardiovascular risk with your clinician and track progress over time.
Understanding each cholesterol number
Total cholesterol
Total cholesterol combines several cholesterol-containing particles in your blood. On its own, it is useful, but it doesn’t tell the full story. Two people can have the same total cholesterol and very different risk profiles.
LDL cholesterol
LDL is commonly called “bad cholesterol” because higher LDL levels are associated with plaque buildup in arteries. Lower LDL is generally better, especially for people with diabetes, known cardiovascular disease, or multiple risk factors.
HDL cholesterol
HDL is often called “good cholesterol.” Higher HDL can be protective, although HDL is only one part of the picture. Lifestyle habits that improve overall metabolic health tend to support HDL as well.
Triglycerides
Triglycerides are blood fats influenced by diet, body weight, insulin resistance, alcohol use, and genetics. Elevated triglycerides can increase risk for heart disease and, when very high, pancreatitis.
Non-HDL cholesterol
Non-HDL cholesterol includes LDL and other atherogenic particles. Many clinicians consider this a practical target, especially when triglycerides are elevated.
Reference ranges commonly used in adults (mg/dL)
- Total cholesterol: desirable < 200, borderline 200–239, high ≥ 240
- LDL cholesterol: optimal < 100, near optimal 100–129, borderline high 130–159, high 160–189, very high ≥ 190
- HDL cholesterol: low < 40, protective ≥ 60
- Triglycerides: normal < 150, borderline high 150–199, high 200–499, very high ≥ 500
- Non-HDL cholesterol: generally desirable < 130
Targets can vary based on your personal risk level, age, medications, and clinical guidelines used by your healthcare provider.
How LDL is estimated
If you don’t enter a direct LDL value, this page estimates LDL using the Friedewald equation:
- mg/dL: LDL = Total Cholesterol − HDL − (Triglycerides / 5)
- mmol/L: LDL = Total Cholesterol − HDL − (Triglycerides / 2.2)
This estimate is less reliable when triglycerides are very high. In those situations, direct LDL or advanced testing may be preferred.
How to improve cholesterol numbers
Nutrition habits that help
- Increase soluble fiber (oats, legumes, fruit, vegetables)
- Replace trans fats and excess saturated fats with unsaturated fats (olive oil, nuts, seeds, fish)
- Reduce ultra-processed foods and sugary drinks
- Control portion sizes and total calorie intake if weight loss is needed
Activity and body composition
- Aim for at least 150 minutes/week of moderate aerobic activity
- Add resistance training 2–3 days/week
- Even modest weight reduction can improve triglycerides and non-HDL cholesterol
Other major factors
- Stop smoking and avoid tobacco exposure
- Improve sleep quality and stress management
- Limit alcohol, especially if triglycerides are high
- Take prescribed medications consistently when indicated
When to speak with a healthcare professional
Use this calculator as a guide, not a diagnosis. You should discuss your results with a clinician if:
- Your LDL, non-HDL, or triglycerides are persistently elevated
- You have diabetes, kidney disease, high blood pressure, or family history of early heart disease
- You’ve had a heart attack, stroke, or known vascular disease
- You’re considering medication changes based on your numbers
Cardiovascular prevention works best when lab values, blood pressure, glucose, family history, and lifestyle are considered together.