Prolactin: convert mIU/L to ng/mL
ng/mL = mIU/L × 0.04717
Calculator
Enter a value in any unit and all other units fill in.
Conversion formulas
| mIU/L → ng/mL | ng/mL = mIU/L × 0.04717 |
|---|---|
| ng/mL → mIU/L | mIU/L = ng/mL × 21.2 |
Conversion table
Highlighted: values inside the adult reference range.
| mIU/L | ng/mL |
|---|---|
| 100 | 4.717 |
| 200 | 9.434 |
| 300 | 14.15 |
| 400 | 18.87 |
| 500 | 23.58 |
| 600 | 28.3 |
| 700 | 33.02 |
| 800 | 37.74 |
| 900 | 42.45 |
| 1000 | 47.17 |
| 1100 | 51.89 |
| 1200 | 56.6 |
| 1300 | 61.32 |
Reference range
0 – 530 mIU/L = 0 – 25 ng/mL
Source: MedlinePlus (NLM): Prolactin blood test · Last reviewed: 2026-10-14