LDL Cholesterol Conversion: mg/dL to mmol/L and mmol/L to mg/dL

LDL Cholesterol

mg/dL

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For general information only. Always discuss your cholesterol results with your doctor or healthcare provider.

LDL Cholesterol Conversion Chart

LDL Cholesterol uses the same factor as total cholesterol, 38.67. Triglycerides use a different factor, 88.5. Categories are from the LDL cholesterol reference ranges on our converter page.

mg/dL to mmol/L

mg/dL	mmol/L	Category
50	1.3	Optimal
60	1.6	Optimal
70	1.8	Optimal
80	2.1	Optimal
90	2.3	Optimal
100	2.6	Near optimal
110	2.8	Near optimal
120	3.1	Near optimal
130	3.4	Borderline high
140	3.6	Borderline high
150	3.9	Borderline high
160	4.1	High
170	4.4	High
180	4.7	High
190	4.9	Very high
200	5.2	Very high
210	5.4	Very high
220	5.7	Very high
230	5.9	Very high
240	6.2	Very high
250	6.5	Very high

mmol/L to mg/dL

mmol/L	mg/dL	Category
1.0	39	Optimal
1.2	46	Optimal
1.4	54	Optimal
1.6	62	Optimal
1.8	70	Optimal
2.0	77	Optimal
2.2	85	Optimal
2.4	93	Optimal
2.6	101	Near optimal
2.8	108	Near optimal
3.0	116	Near optimal
3.2	124	Near optimal
3.4	131	Borderline high
3.6	139	Borderline high
3.8	147	Borderline high
4.0	155	Borderline high
4.2	162	High
4.4	170	High
4.6	178	High
4.8	186	High
5.0	193	Very high
5.2	201	Very high
5.4	209	Very high
5.6	217	Very high
5.8	224	Very high
6.0	232	Very high

For example, 3.4 mmol/L is 131 mg/dL. Need other values? See the full cholesterol conversion chart.

What Your LDL Cholesterol Result Means

LDL Cholesterol (the "bad" cholesterol)

LDL is the most clinically significant value on a lipid panel for most people. High LDL contributes to the build-up of plaques inside artery walls, which can narrow arteries and increase the risk of heart attack and stroke. Most cardiovascular treatment targets focus on reducing LDL specifically.

Category	mg/dL	mmol/L
Optimal	Below 100	Below 2.6
Near optimal	100 to 129	2.6 to 3.3
Borderline high	130 to 159	3.4 to 4.1
High	160 to 189	4.2 to 4.9
Very high	190 and above	5.0 and above

Important: These are general population reference ranges. Your doctor will interpret your results in the context of your full cardiovascular risk profile, including age, blood pressure, smoking status, diabetes, family history, and existing heart conditions. Someone with existing heart disease may be set much lower LDL targets than a healthy young person with the same reading.

This tool is for general informational purposes only and does not constitute medical advice. Reference ranges shown are general population guidelines and may not reflect your individual targets. Always consult your doctor or healthcare provider for personalized guidance on your cholesterol results.