What is the Normal Low Density Lipoprotein (LDL) Level?
Low-density lipoprotein (LDL), often referred to as “bad cholesterol,” is a type of fat (lipid) in your blood. High LDL levels can increase your risk of heart disease and stroke. Understanding and maintaining a normal LDL level is crucial for your health.
How to Use This Calculator
- Enter your age, gender, total cholesterol, and HDL cholesterol levels.
- Click “Calculate.”
- Your LDL level and a comparison chart will appear below.
The Friedewald formula is used to estimate LDL cholesterol: LDL = Total Cholesterol – HDL – (Triglycerides / 5). Since triglycerides aren’t required here, we use a simplified version: LDL = Total Cholesterol – HDL – (Triglycerides / 5).
Real-World Examples
| Age | Gender | Total Cholesterol | HDL Cholesterol | LDL Level |
|---|---|---|---|---|
| 55 | Male | 200 | 50 | 100 |
| 45 | Female | 190 | 60 | 70 |
| 60 | Male | 240 | 40 | 160 |
Data & Statistics
| LDL Level (mg/dL) | Risk Category |
|---|---|
| Less than 100 | Optimal |
| 100-129 | Near optimal/Above optimal |
| 130-159 | Borderline high |
| 160-189 | High |
| 190 or above | Very high |
Expert Tips
- Regular exercise, a healthy diet, and maintaining a healthy weight can help lower LDL levels.
- Quitting smoking can also help improve your cholesterol levels.
- If lifestyle changes aren’t enough, your doctor may prescribe medication to lower your LDL.
Interactive FAQ
What is a good LDL level?
An optimal LDL level is less than 100 mg/dL. Levels between 100-129 mg/dL are near optimal/above optimal. Levels of 130-159 mg/dL are borderline high, and 160-189 mg/dL are high. Levels of 190 mg/dL or above are very high.
How often should I get my LDL checked?
Adults should get their cholesterol checked every 4-6 years. If you have a history of high cholesterol or heart disease, you may need to get it checked more often.
For more information, see the CDC’s Cholesterol Facts and the Mayo Clinic’s High Blood Cholesterol guide.