520 mcg = 0.52 mg. To convert micrograms to milligrams, divide by 1,000: 520 ÷ 1,000 = 0.52.
How to convert micrograms to milligrams
mg = mcg × 0.001
- 1 mcg = 0.001 mg (and 1 mg = 1,000 mcg).
- Multiply the amount by the factor: 520 × 0.001 = 0.52.
- Answer: 520 mcg = 0.52 mg.
Shortcut: dividing by 1,000 gives the same result as multiplying by 0.001.
Micrograms to Milligrams table
| Micrograms (mcg) | Milligrams (mg) |
|---|---|
| 515 mcg | 0.515 mg |
| 516 mcg | 0.516 mg |
| 517 mcg | 0.517 mg |
| 518 mcg | 0.518 mg |
| 519 mcg | 0.519 mg |
| 520 mcg | 0.52 mg |
| 521 mcg | 0.521 mg |
| 522 mcg | 0.522 mg |
| 523 mcg | 0.523 mg |
| 524 mcg | 0.524 mg |
| 525 mcg | 0.525 mg |
| mcg | mg |
|---|---|
| 1 mcg | 0.001 mg |
| 5 mcg | 0.005 mg |
| 10 mcg | 0.01 mg |
| 50 mcg | 0.05 mg |
| 100 mcg | 0.1 mg |
| 1,000 mcg | 1 mg |