Picocuries to Becquerels
Type a value in Picocuries and get the result in Becquerels, calculated exactly.
1 Picocuries = 0.037 Becquerels
Precision
Exact factorThis result is exact.
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Formula
Bq = pCi × 0.037
To convert Picocuries to Becquerels, multiply the value by 0.037.
Worked examples
- 1 pCi × 0.037 = 0.037 Bq
- 100 pCi × 0.037 = 3.7 Bq
- 50 pCi × 0.037 = 1.85 Bq
This factor is exact by definition.
Conversion table
| Picocuries (pCi) | Becquerels (Bq) |
|---|---|
| 1 | 0.037 |
| 2 | 0.074 |
| 3 | 0.111 |
| 4 | 0.148 |
| 5 | 0.185 |
| 6 | 0.222 |
| 7 | 0.259 |
| 8 | 0.296 |
| 9 | 0.333 |
| 10 | 0.37 |
| 15 | 0.555 |
| 20 | 0.74 |
| 25 | 0.925 |
| 30 | 1.11 |
| 40 | 1.48 |
| 50 | 1.85 |
| 60 | 2.22 |
| 70 | 2.59 |
| 75 | 2.775 |
| 80 | 2.96 |
| 90 | 3.33 |
| 100 | 3.7 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Becquerels to Picocuries
| Becquerels (Bq) | Picocuries (pCi) |
|---|---|
| 1 | ≈ 27.02703 |
| 2 | ≈ 54.05405 |
| 3 | ≈ 81.08108 |
| 4 | ≈ 108.1081 |
| 5 | ≈ 135.1351 |
| 6 | ≈ 162.1622 |
| 7 | ≈ 189.1892 |
| 8 | ≈ 216.2162 |
| 9 | ≈ 243.2432 |
| 10 | ≈ 270.2703 |
| 15 | ≈ 405.4054 |
| 20 | ≈ 540.5405 |
| 25 | ≈ 675.6757 |
| 30 | ≈ 810.8108 |
| 40 | ≈ 1,081.081 |
| 50 | ≈ 1,351.351 |
| 60 | ≈ 1,621.622 |
| 70 | ≈ 1,891.892 |
| 75 | ≈ 2,027.027 |
| 80 | ≈ 2,162.162 |
| 90 | ≈ 2,432.432 |
| 100 | ≈ 2,702.703 |
Unit definitions
- Picocuries pCi
- Exactly 0.037 becquerels; used for radon levels in the US (pCi/L).
- Becquerels Bq
- The SI unit of activity: one decay per second.
Questions people ask
Picocuries to Becquerels: what is the conversion factor?
One pCi is 0.037 Bq.
How do I convert Picocuries to Becquerels?
Use the formula above. For example, 100 pCi = 3.7 Bq.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.