LDL Cholesterol Calculator
Friedewald estimate.
About LDL Cholesterol Calculator
Friedewald estimate. The LDL Cholesterol Calculator on Picscaler gives you the answer instantly in your browser, with no sign-up.
Inputs: Total cholesterol (mg/dL), HDL cholesterol (mg/dL) and Triglycerides (mg/dL). Results shown: LDL (estimated).
Formula: LDL = total cholesterol - HDL - triglycerides / 5. Fasting sample preferred; invalid at TG 400 mg/dL or above.
This tool is for education and information. It does not replace clinical judgement, so confirm results against your laboratory's reference ranges and local guidelines.
How to use LDL Cholesterol Calculator
- Enter Total cholesterol (mg/dL), HDL cholesterol (mg/dL) and Triglycerides (mg/dL).
- Press Calculate.
- Read LDL (estimated) in the result table.
- Use the formula and notes under the result to check the working.
Frequently asked questions
Is LDL Cholesterol Calculator free?
Yes. LDL Cholesterol Calculator is completely free to use on Picscaler.
Do I need to create an account?
No. You can use it straight away without signing up.
Is my data safe?
Your input is processed in your browser on your own device and is not uploaded to Picscaler.
Can I use it for medical decisions?
No. It is an educational aid and does not replace professional medical judgement.
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