Enter the value in mmol/L and select the lipid type to convert cholesterol or triglycerides to mg/dL using the appropriate laboratory conversion factor.
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Cholesterol mmol/L to mg/dL Formula
The following formula is used to convert most cholesterol values from mmol/L to mg/dL.
mg/dL = mmol/L × 38.67
For triglycerides, laboratories use a different conversion factor.
mg/dL = mmol/L × 88.57
Variables:
- mg/dL is the value in milligrams per deciliter
- mmol/L is the value in millimoles per liter
- 38.67 is the conversion factor for total, LDL, HDL, and non-HDL cholesterol
- 88.57 is the conversion factor for triglycerides
To calculate the result in mg/dL, multiply the mmol/L value by the correct factor for the selected lipid type.
What is Cholesterol mmol/L to mg/dL Conversion?
Cholesterol tests may be reported in either mmol/L or mg/dL depending on the country, laboratory, or medical guideline being used. Total cholesterol, LDL cholesterol, HDL cholesterol, and non-HDL cholesterol all use the same standard conversion factor of 38.67. Triglycerides are different because of their molecular properties, so they use a factor of 88.57. Converting between these units makes it easier to compare lab reports, reference ranges, and treatment targets across different systems.
How to Convert Cholesterol mmol/L to mg/dL?
The following steps outline how to convert cholesterol mmol/L to mg/dL.
- First, determine the measured value in mmol/L.
- Next, identify the lipid type as total cholesterol, LDL, HDL, non-HDL, or triglycerides.
- Multiply the mmol/L value by 38.67 for cholesterol values or by 88.57 for triglycerides.
- After calculating the result, verify your answer with the calculator above.
Example Problem:
Use the following variables as an example problem to test your knowledge.
Total Cholesterol = 5.2 mmol/L
Conversion Factor = 38.67
Result = 5.2 × 38.67 = 201.08 mg/dL
Cholesterol mmol/L to mg/dL Conversion Table
The table below shows example conversions for a 5 mmol/L measurement using the correct factor for each lipid parameter.
| Analyte | Factor (mg/dL per mmol/L) | 5 mmol/L in mg/dL |
|---|---|---|
| Total Cholesterol | 38.67 | 193.35 mg/dL |
| LDL Cholesterol | 38.67 | 193.35 mg/dL |
| HDL Cholesterol | 38.67 | 193.35 mg/dL |
| Non-HDL Cholesterol | 38.67 | 193.35 mg/dL |
| Triglycerides | 88.57 | 442.85 mg/dL |
For example, 3.0 mmol/L of LDL cholesterol is equal to 116.01 mg/dL, while 1.7 mmol/L of triglycerides is equal to 150.57 mg/dL. These conversions are commonly used to compare lipid results across different lab reporting systems.