Healthy Levels
Total Cholesterol (mg/dL): 180; HDL Cholesterol (mg/dL): 60; Triglycerides (mg/dL): 100
Estimated LDL Cholesterol (mg/dL): 100 mg/dL
LDL Cholesterol Calculator (Friedewald Equation)
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Estimates LDL ('bad') cholesterol level using the Friedewald equation. This calculator requires total cholesterol, HDL cholesterol, and triglyceride levels. It's important to consult with a healthcare professional for accurate diagnosis and treatment.
More tools:Health Calculators
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Total Cholesterol (mg/dL), HDL Cholesterol (mg/dL), and Triglycerides (mg/dL) in the units shown.
Step 2
Read Estimated LDL Cholesterol (mg/dL) in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Borderline High
Total Cholesterol (mg/dL): 220; HDL Cholesterol (mg/dL): 45; Triglycerides (mg/dL): 180
Estimated LDL Cholesterol (mg/dL): 139 mg/dL
High Cholesterol
Total Cholesterol (mg/dL): 250; HDL Cholesterol (mg/dL): 40; Triglycerides (mg/dL): 200
Estimated LDL Cholesterol (mg/dL): 170 mg/dL
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Important
Use the result as an estimate and confirm any medical decisions with a qualified professional.