Medical Lab Unit Converter
Convert 30 lab tests between conventional and SI units.
Enter your values to see the result.
Conversion factors follow the SI unit tables used by major journals (AMA Manual of Style). Reference ranges vary between laboratories, so compare results with your own lab's ranges.
Continue your work
- Blood Glucose Converter — Convert blood sugar quickly.
- Cholesterol Unit Converter — Convert a lipid panel.
Share this tool
Found it useful? Send it to a friend or teammate.
Rate this tool
0.0
0 ratings
- 5 stars 0
- 4 stars 0
- 3 stars 0
- 2 stars 0
- 1 star 0
Clear instructions
Find steps, examples and limitations below.
Use online
Open the tool in a supported web browser.
Free to use
No sign-up required. Tool-specific limits may apply.
How to use the Medical Lab Unit Converter
Convert 30 lab tests between conventional and SI units.
- 1 Choose the lab test.
- 2 Choose the direction: conventional to SI, or SI to conventional.
- 3 Enter the value and read the result, the factor and the typical range.
Example and practical tips
Glucose 100 mg/dL is 5.55 mmol/L, and vitamin D 30 ng/mL is 74.9 nmol/L.
Frequently asked questions
Why do countries use different units?
The US mostly uses mass units (mg/dL), while most other countries use SI molar units (mmol/L), which count molecules.
Why do reference ranges differ between labs?
Ranges depend on the analyzer, method and population. Always compare your result with the range printed on your own lab report.
Report an issue
Something broken or not quite right? Tell us and we will look into it.