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LDL Calculator

Enter the values of HDL, TC, and Triglycerides in the calculator, and the tool will measure the LDL level.

Total Cholesterol:

mmol/L ▾

High Density Lipoproteins (HDL):

mmol/L ▾

Low Density Lipoprotein (TG):

mmol/L ▾

Related

The LDL calculator estimates your LDL cholesterol based on the ratio of HDL cholesterol and triglycerides.

What Is LDL Cholesterol?

LDL cholesterol, often called "bad cholesterol," can accumulate in your blood vessels and increase the risk of heart attack or stroke when levels are too high. Monitoring LDL levels is important, and the LDL calculator helps track this. Note that cholesterol is essential for building cell membranes and maintaining healthy nerve tissues.

How to Calculate LDL?

This calculator uses the Friedewald formula to estimate LDL cholesterol.

LDL = TC - HDL - 0.2 × TG

TC - Total Cholesterol

HDL - High-Density Lipoprotein

TG - Triglycerides

You can also check total cholesterol using the cholesterol calculator.

Example:

Calculate LDL cholesterol if Total Cholesterol (TC) is 250 mg/dL, HDL is 40 mg/dL, and TG is 100 mg/dL.

Solution:

Using the formula:

LDL = TC - HDL - 0.2 × TG

LDL = 250 - 40 - 0.2 × 100

LDL = 250 - 40 - 20

LDL = 190 mg/dL

How the LDL Calculator Works:

Follow these steps to use the LDL calculator:

Input:

Enter your TC, HDL, and Triglyceride values in the designated fields
Click the Calculate button

Output:

LDL cholesterol result in mg/dL and mmol/L

FAQs

What Is a Normal LDL Level?

A normal LDL level ranges from 100 to 129 mg/dL. For individuals with diabetes or heart disease, LDL should be below 100 mg/dL. The LDL calculator can help you monitor your levels.

What Should I Do if My LDL Is High?

If your LDL is elevated, consider reducing foods high in saturated fat such as red meat, eggs, and sweets. Regularly checking your LDL with this calculator can help keep it within a healthy range.

What Causes High LDL?

A diet high in saturated fats increases "bad" LDL cholesterol. Saturated fats are commonly found in fatty meats and dairy products. No more than 10% of daily calories should come from saturated fats.

What Are the 5 Signs of High LDL Cholesterol?

The main warning signs of high LDL cholesterol include:

Heart attack
High blood pressure
Diabetes
Chest pain or angina
Stroke

Monitoring LDL is especially important for people at risk of cardiovascular disease.

Normal Cholesterol Ranges:

LDL	TC	HDL	TG
Low-Density Lipoprotein	Total Cholesterol	High-Density Lipoprotein	Triglycerides
100-129 mg/dL	200 mg/dL	40-60 mg/dL	Below 150 mg/dL

References:

Source: Healthline – LDL cholesterol calculation, How LDL is estimated

Source: Wikipedia – Low-density lipoprotein, Methods for calculating LDL cholesterol

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