Vitamin D (dose): convert IU to µg
µg = IU × 0.025
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Enter a value in any unit and all other units fill in.
Dose conversions apply only to the substance and form named here. Do not use them to dose medicines; follow the label, the package leaflet and your prescriber.
Conversion formulas
| IU → µg | µg = IU × 0.025 |
|---|---|
| µg → IU | IU = µg × 40 |
Conversion table
| IU | µg |
|---|---|
| 100 | 2.5 |
| 250 | 6.25 |
| 500 | 12.5 |
| 1000 | 25 |
| 2000 | 50 |
| 5000 | 125 |
| 10 000 | 250 |
Source: DGE (German Nutrition Society): Reference values for vitamin D · Last reviewed: 2026-10-14