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Folate — ng/mL to nmol/L
Converts folate from ng/mL to nmol/L, the factor taken from its molar mass. One ng/mL is 2.26553 nmol/L.
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In short
To convert folate from ng/mL to nmol/L, multiply by 2.26553 — so one ng/mL is 2.26553 nmol/L, and one nmol/L is 0.441398 ng/mL. 4 ng/mL is 9.1 nmol/L; 10 ng/mL is 22.7 nmol/L; 20 ng/mL is 45.3 nmol/L. The factor comes from the molar mass, because folic acid has a molar mass of 441.4 g/mol; that is why it differs for every analyte and why a single "lab unit converter" factor does not exist. Serum folate and red cell folate are reported in the same units and convert with the same factor, but they are not interchangeable measurements — red cell folate reflects months of intake and serum folate reflects days. Converting the units correctly does not make the two figures comparable. This converts units. It does not interpret results, does not compare your value against a reference interval, and is not a substitute for the clinician who ordered the test — reference intervals differ between laboratories, methods and populations.
How to use the Folate — ng/mL to nmol/L
- Type the value you want to convert.
- Pick the unit you are converting from and the unit you want.
- The converted value and the exact conversion factor are shown instantly.
About the Folate — ng/mL to nmol/L
Serum folate and red cell folate are reported in the same units and convert with the same factor, but they are not interchangeable measurements — red cell folate reflects months of intake and serum folate reflects days. Converting the units correctly does not make the two figures comparable.
What people use it for
- Reading a folate result issued in ng/mL when you are used to nmol/L.
- Comparing an old report with a new one after moving country or changing laboratory.
- Following a study or a guideline written in the other unit system.
Details
| This conversion | 1 ng/mL = 2.26553 nmol/L |
|---|---|
| Conventional unit | ng/mL — ng/mL in the US; nmol/L in the UK, Europe, Canada and Australia. |
| Factor | 1 ng/mL = 2.26553 nmol/L (divide by 0.441398 to go back) |
| Where it comes from | Molar mass: folic acid has a molar mass of 441.4 g/mol |
| Worked examples | 4 ng/mL is 9.1 nmol/L; 10 ng/mL is 22.7 nmol/L; 20 ng/mL is 45.3 nmol/L |
| Privacy | The arithmetic runs in your browser. Nothing you type is sent anywhere or stored. |
The factor is printed on the page so the arithmetic can be checked rather than trusted. This converts units. It does not interpret results, does not compare your value against a reference interval, and is not a substitute for the clinician who ordered the test — reference intervals differ between laboratories, methods and populations.
Where this tool stops
This converts units. It does not interpret results, does not compare your value against a reference interval, and is not a substitute for the clinician who ordered the test — reference intervals differ between laboratories, methods and populations.
Frequently asked questions
Can I compare a serum folate result with a red cell folate result?
Not directly, even in the same units. Red cell folate values are several times higher because they measure stores accumulated over the life of the cell, while serum folate follows recent diet. The conversion factor is the same for both; the reference intervals are not.
What is the exact factor?
One ng/mL is 2.26553 nmol/L, and the reverse is 0.441398. It is derived rather than looked up: folic acid has a molar mass of 441.4 g/mol, and the conversion follows from that.
Does this tool tell me if my result is normal?
No. It converts a number between two units and stops there, on purpose. Reference intervals differ between laboratories and methods, and a single value means little without the rest of your results and the person who ordered them.
Do I need an account to use the Folate — ng/mL to nmol/L?
There is no cost and no cap. The Folate — ng/mL to nmol/L is not a demo of a paid product, so nothing is held back or watermarked.
Can you see what I put into this utility?
No. The Folate — ng/mL to nmol/L runs entirely in your browser using JavaScript. Your input never reaches inputtesthub.com or any third party — open your browser's Network tab while you use it and you will see no request go out.
Who is the Folate — ng/mL to nmol/L for?
Typical uses: reading a folate result issued in ng/mL when you are used to nmol/L. Comparing an old report with a new one after moving country or changing laboratory. Following a study or a guideline written in the other unit system. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
When is the Folate — ng/mL to nmol/L not the right tool?
This converts units. It does not interpret results, does not compare your value against a reference interval, and is not a substitute for the clinician who ordered the test — reference intervals differ between laboratories, methods and populations. Knowing where a tool stops being trustworthy matters more than the cases where it works.
Which values should I know?
This conversion is 1 ng/mL = 2.26553 nmol/L. Conventional unit is ng/mL — ng/mL in the US; nmol/L in the UK, Europe, Canada and Australia.. Factor is 1 ng/mL = 2.26553 nmol/L (divide by 0.441398 to go back). These are printed on the page itself, so you do not have to take them on trust.
How precise is the result?
The calculation runs in double precision and the result is shown to ten significant figures, so converting a value and converting it back returns the original. What is displayed is rounded for readability; what is copied is not.
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