International units to nanograms
Type a value in IU to get it in ng instantly.
25,000ng
That's 1.67× as much as a daily requirement, while a typical supplement is 2× more. Information only: check the form stated on your own label.
What it means
How much is that?
Information only, not medical advice. Labels increasingly give micrograms instead of IU, and for vitamin E the natural and synthetic forms differ.
The math
How to convert IU to ng
An IU is a unit of activity, so each vitamin has its own weight: µg = IU × µg per IU. The figures below use the vitamin selected above.
Example: 1,000 IU = 25,000 ng.
The table below is for Vitamin D (1 IU = 0.025 µg).
Every unit
Your dose in every unit
Tables
IU to ng conversion table
| IU | ng |
|---|---|
| 100 IU | 2,500 ng |
| 200 IU | 5,000 ng |
| 400 IU | 10,000 ng |
| 500 IU | 12,500 ng |
| 800 IU | 20,000 ng |
| 1,000 IU | 25,000 ng |
| 2,000 IU | 50,000 ng |
| 4,000 IU | 100,000 ng |
| 5,000 IU | 125,000 ng |
| 10,000 IU | 250,000 ng |
ng to IU conversion table
| ng | IU |
|---|---|
| 100 ng | 4 IU |
| 200 ng | 8 IU |
| 400 ng | 16 IU |
| 500 ng | 20 IU |
| 800 ng | 32 IU |
| 1,000 ng | 40 IU |
| 2,000 ng | 80 IU |
| 4,000 ng | 160 IU |
| 5,000 ng | 200 IU |
| 10,000 ng | 400 IU |
Quick answers
Quick answers
- How many ng is 1 IU?
- 1 IU is 25 ng.
- How many ng is 10 IU?
- 10 IU is 250 ng.
- How many ng is 1,000 IU?
- 1,000 IU is 25,000 ng.
The units
About these units
International units (IU)
A measure of biological activity. Its weight depends on the vitamin.
Nanograms (ng)
For blood levels and trace measurements.
Keep going