http://www.ncbi.nlm.nih.gov/books/NBK83505/
To Convert From mmol/L to mg/dL
For total, HDL, and LDL cholesterol multiply mmol/L by 38.67
e.g. 3.5 mmol/L = 3.5 mmol/L * 38.67 = 135 mg/dL
For triglycerides multiply mmol/L by 88.57
e.g. 1.9 mmol/L = 1.9 mmol/L * 88.57 = 168 mg/dL
To Convert From mmol/L to mg/dL
For total, HDL, and LDL cholesterol multiply mmol/L by 38.67
e.g. 3.5 mmol/L = 3.5 mmol/L * 38.67 = 135 mg/dL
For triglycerides multiply mmol/L by 88.57
e.g. 1.9 mmol/L = 1.9 mmol/L * 88.57 = 168 mg/dL