Cholesterol and triglyceride levels can be reported in two different units: mg/dL (milligrams per deciliter), used in the United States and some other countries, and mmol/L (millimoles per liter), the international SI standard. This converter allows you to quickly and accurately convert total cholesterol, LDL, HDL, and triglyceride values between these two systems. Understanding your cholesterol numbers in either unit is essential for assessing cardiovascular risk and monitoring treatment with statins or other lipid-lowering medications.
For cholesterol (total, LDL, HDL), divide mg/dL by 38.67 to get mmol/L, or multiply mmol/L by 38.67 to get mg/dL. For triglycerides, divide mg/dL by 88.57 to get mmol/L, or multiply mmol/L by 88.57 to get mg/dL. These factors differ because cholesterol and triglycerides have different molecular weights. For a comprehensive cardiovascular assessment, consider using our Framingham Risk Calculator.
This conversion is mathematically precise. However, reference ranges may vary slightly between laboratories. The conversion factor for triglycerides differs from cholesterol, so be sure to select the correct lipid type. Clinical interpretation should always consider the complete lipid panel rather than individual values.
FAQ
What is the difference between converting cholesterol and triglycerides?
Cholesterol (total, LDL, HDL) and triglycerides use different conversion factors because they have different molecular weights. Cholesterol uses 38.67 (1 mmol/L = 38.67 mg/dL), while triglycerides use 88.57 (1 mmol/L = 88.57 mg/dL). Always select the correct lipid type before converting.
What are desirable cholesterol levels?
Desirable levels are: Total cholesterol below 200 mg/dL (5.2 mmol/L), LDL below 100 mg/dL (2.6 mmol/L), HDL above 60 mg/dL (1.6 mmol/L), and triglycerides below 150 mg/dL (1.7 mmol/L). For glucose monitoring, you may also find our blood sugar converter useful.
Why is cholesterol measured in different units across countries?
The United States traditionally uses conventional units (mg/dL), while most European, Asian, and other countries adopted the SI system (mmol/L) for standardization. Both units are clinically equivalent. This converter is especially useful when reading international medical guidelines or sharing results with healthcare providers abroad.