Cholesterol ratio calculator helps users interpret common lipid relationships such as total cholesterol to HDL, LDL to HDL, and triglycerides to HDL in one place. It is useful for people reviewing lab results who want a fast way to calculate key ratios without doing the math manually. Users enter total cholesterol, HDL, LDL, and triglycerides in either mg/dL or mmol/L, and the tool returns multiple ratio-based outputs along with supporting values.
Cholesterol Ratio Calculator
Calculate total/HDL, LDL/HDL, triglycerides/HDL, non-HDL cholesterol, and estimated LDL.
Enter Lipid Values
TC, HDL, and LDL convert with the cholesterol factor. TG uses its own triglyceride conversion factor.
Results
Total / HDL ratio
LDL / HDL ratio
Triglycerides / HDL ratio
Non-HDL cholesterol (mg/dL)
Non-HDL cholesterol (mmol/L)
Non-HDL / HDL ratio
Estimated LDL (Friedewald, mg/dL)