Convert Terabecquerels to Curies
Convert Terabecquerels (TBq) to Curies (Ci) instantly and accurately.
Conversion Formula
Ci = TBq × 27.02702703
About Terabecquerels
The terabecquerel (TBq) equals 10¹² Bq. Medical cyclotron ¹⁸F production batches yield 0.1-1 TBq; ⁹⁹Mo/⁹⁹mTc generator lots for hospital nuclear medicine departments are shipped as multi-TBq consignments; ¹⁹²Ir industrial radiography sources are rated up to 5 TBq. 1 TBq = 10¹² Bq.
About Curies
The curie (Ci) equals exactly 3.7 × 10¹⁰ Bq = 37 GBq, originally defined as the activity of 1 g of ²²⁶Ra. Still widely used in the US: ⁶⁰Co teletherapy sources are 5000-15000 Ci; ¹³⁷Cs blood irradiators are 1000-40000 Ci; NRC source licences for industrial radiography cite Ci limits. 1 Ci = 3.7 × 10¹⁰ Bq.
Quick Reference Table
| Terabecquerels (TBq) | Curies (Ci) |
|---|---|
| 1 TBq | 27.027 Ci |
| 2 TBq | 54.0541 Ci |
| 5 TBq | 135.135 Ci |
| 10 TBq | 270.27 Ci |
| 25 TBq | 675.676 Ci |
| 50 TBq | 1351.35 Ci |
| 100 TBq | 2702.7 Ci |