Calculator
Enter total cholesterol and one known cholesterol fraction input. The calculator returns free cholesterol, esterified cholesterol, percentages, ratios, chart output, and exportable summaries.
Plotly Graph
The chart compares calculated free and esterified cholesterol values. Submit the form to generate your visual summary.
Formula Used
This calculator models total cholesterol as the sum of free cholesterol and esterified cholesterol, then derives missing values from the selected input mode.
Total Cholesterol = Free Cholesterol + Esterified Cholesterol
Free Cholesterol = Total Cholesterol - Esterified Cholesterol
Esterified Cholesterol = Total Cholesterol - Free Cholesterol
Free Cholesterol % = (Free Cholesterol / Total Cholesterol) × 100
Esterified Cholesterol % = (Esterified Cholesterol / Total Cholesterol) × 100
CE/FC Ratio = Esterified Cholesterol / Free Cholesterol
FC/CE Ratio = Free Cholesterol / Esterified Cholesterol
mmol/L = mg/dL × 0.0259
Use this as an educational fraction calculator. It does not replace a laboratory report or clinician review.
How to Use This Calculator
- Select your preferred input units.
- Enter total cholesterol.
- Choose the type of cholesterol information you already know.
- Enter the known value, percentage, or CE/FC ratio.
- Pick your preferred decimal precision.
- Submit the form to view results above the calculator.
- Review the summary cards, result table, and chart.
- Export the calculated output as CSV or PDF.
Example Data Table
| Example | Total Cholesterol | Known Input Type | Known Value | Calculated Free | Calculated Esterified |
|---|---|---|---|---|---|
| Profile A | 190 mg/dL | Known Free Cholesterol Value | 52 mg/dL | 52 mg/dL | 138 mg/dL |
| Profile B | 5.20 mmol/L | Known Esterified Cholesterol Percentage | 72% | 1.46 mmol/L | 3.74 mmol/L |
| Profile C | 210 mg/dL | Known CE/FC Ratio | 2.10 | 67.74 mg/dL | 142.26 mg/dL |
| Profile D | 4.80 mmol/L | Known Free Cholesterol Percentage | 30% | 1.44 mmol/L | 3.36 mmol/L |
FAQs
1) What does this calculator estimate?
It estimates the relationship between total cholesterol, free cholesterol, and esterified cholesterol. It also returns percentages, reciprocal ratios, unit conversions, and a simple chart for easier review.
2) What is free cholesterol?
Free cholesterol is the non-esterified portion of cholesterol. In this calculator, it is treated as one fraction of total cholesterol, while the remainder is shown as esterified cholesterol.
3) What is esterified cholesterol?
Esterified cholesterol is the portion grouped as cholesterol esters in this model. The calculator derives it either from your direct entry, a percentage, a ratio, or total minus free cholesterol.
4) Can I use mmol/L instead of mg/dL?
Yes. Choose mmol/L before entering values. The calculator converts all values internally and displays both units in the results so you can compare outputs easily.
5) What does the CE/FC ratio mean here?
It is the esterified cholesterol divided by free cholesterol. This tool uses that ratio only as a mathematical input and output. It should not be used alone for diagnosis.
6) Why are results shown above the form?
The page is designed to place the result section directly below the header and above the calculator. That makes the summary easier to review immediately after submission.
7) Does this replace a lab test or medical advice?
No. This page is for education and quick fraction math. Clinical interpretation should come from a qualified healthcare professional using your complete history and lab results.
8) Can I export my results?
Yes. After calculation, use the CSV button for spreadsheet-friendly data or the PDF button for a clean summary report you can save or print.