Becquerel (Bq)
The becquerel (Bq) is the SI unit of radioactivity — one nuclear disintegration per second.
Becquerels quantify source strength in nuclear medicine, environmental monitoring, and regulatory labeling worldwide.
Convert becquerel to microcurie instantly. Type in either field — results update live.
Selected Bq values converted to µCi using the exact factor from this tool.
| Bq | µCi |
|---|---|
| 0.01 | 0.00000027027027027 |
| 0.1 | 0.0000027027027027 |
| 1 | 0.000027027027027 |
| 2 | 0.000054054054054 |
| 3 | 0.000081081081081 |
| 5 | 0.00013513513514 |
| 10 | 0.00027027027027 |
| 20 | 0.00054054054054 |
| 50 | 0.0013513513514 |
| 100 | 0.0027027027027 |
| 1,000 | 0.027027027027 |
Exact conversion factors in both directions, plus a worked example.
1 Bq = 0.000027027 µCi
1 µCi = 37000 Bq
To convert becquerel to microcurie, multiply by 0.000027027.
To convert microcurie to becquerel, multiply by 37000.
Example: convert 10 Bq to µCi
10 × 0.000027027 = 0.0002702703 µCi
Short background on the units used in this conversion.
The becquerel (Bq) is the SI unit of radioactivity — one nuclear disintegration per second.
Becquerels quantify source strength in nuclear medicine, environmental monitoring, and regulatory labeling worldwide.
µCi = Bq × 0.000027027027027Bq = µCi × 37,000, using the same exact factors as this converter.