Becquerels to Picocuries
Type a value in Becquerels and get the result in Picocuries, calculated exactly.
1 Becquerels ≈ 27.02702703 Picocuries
Precision
Exact factorRounded for display to about 10 significant digits.
Slide rule
Drag to scrub · arrow keys step · Shift × 10Paper tape
ConvertThemAll
- Your conversions print here.
0 lines · kept on this device only
Formula
pCi = Bq ÷ 0.037
To convert Becquerels to Picocuries, divide the value by 0.037.
Worked examples
- 1 Bq ÷ 0.037 ≈ 27.02702703 pCi
- 100 Bq ÷ 0.037 ≈ 2,702.702703 pCi
- 50 Bq ÷ 0.037 ≈ 1,351.351351 pCi
This factor is exact by definition.
Conversion table
| 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 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Picocuries to Becquerels
| 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 |
Unit definitions
- Becquerels Bq
- The SI unit of activity: one decay per second.
- Picocuries pCi
- Exactly 0.037 becquerels; used for radon levels in the US (pCi/L).
Questions people ask
Becquerels to Picocuries: what is the conversion factor?
One Bq is ≈ 27.02702703 pCi.
How do I convert Becquerels to Picocuries?
Use the formula above. For example, 100 Bq = ≈ 2,702.702703 pCi.
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.