Cholesterol Unit Converter
Cholesterol divides by 38.67 and triglycerides by 88.57 — different molar masses mean different divisors. The second figure uses the triglyceride factor.
Your numbers
mmol/L
5.17mmol/L
Result
2.26mmol/L
Formula
mmol/L = Total cholesterol ÷ 38.67
Mixing the two units when reading a foreign lab report throws the numbers off by more than double.
What to enter
| Input | Default | Accepted range |
|---|---|---|
| Total cholesterol (mg/dL)All the cholesterol in the blood, added up. | 200 | 20 ~ 600 |
Step by step
Quick reference table
Results when only Total cholesterol (mg/dL) changes and everything else stays put.
| Total cholesterol (mg/dL) | mmol/L (mmol/L) | Result (mmol/L) |
|---|---|---|
| 100 | 2.59 | 1.13 |
| 150 | 3.88 | 1.69 |
| 200 | 5.17 | 2.26 |
| 300 | 7.76 | 3.39 |
| 400 | 10.34 | 4.52 |
What each result means
| Result | At default values |
|---|---|
| mmol/L (mmol/L)The European blood-sugar unit — mg/dL divided by 18. | 5.17 |
| Result (mmol/L)What the formula gives back — the answer this page is for. | 2.26 |
Common mistakes
Mixing the two units when reading a foreign lab report throws the numbers off by more than double.
Glossary
- Total cholesterol
- All the cholesterol in the blood, added up.
- mmol/L
- The European blood-sugar unit — mg/dL divided by 18.
- Result
- What the formula gives back — the answer this page is for.
Frequently asked questions
Q. How is Cholesterol Unit Converter calculated?
mmol/L = Total cholesterol ÷ 38.67 — Cholesterol divides by 38.67 and triglycerides by 88.57 — different molar masses mean different divisors. The second figure uses the triglyceride factor.
Q. Can you walk through an example?
With Total cholesterol 200mg/dL, the answer is mmol/L 5.17mmol/L.
Q. What do I need to enter?
Enter Total cholesterol. The result recalculates as you type, and an empty box counts as zero.
Q. How much does the answer move if I change a number?
Changing only Total cholesterol (mg/dL) moves the answer to Total cholesterol (mg/dL) 100 → mmol/L (mmol/L) 2.59 and Total cholesterol (mg/dL) 400 → mmol/L (mmol/L) 10.34. The table below lays out five steps.
Q. How are the numbers rounded?
Money is shown to the nearest whole unit, percentages to one decimal place and everything else to two. What you see is rounded; the calculation itself carries the unrounded value forward.
Q. Anything to watch out for?
Mixing the two units when reading a foreign lab report throws the numbers off by more than double.
Related calculators
These calculators help you understand health figures; they do not replace diagnosis or prescription. See a clinician if you have symptoms.