Convert Kilocuries to Curies
Convert Kilocuries (kCi) to Curies (Ci) instantly and accurately.
Conversion Formula
Ci = kCi × 1000
About Kilocuries
The kilocurie (kCi) equals 3.7 × 10¹³ Bq. ⁶⁰Co and ¹³⁷Cs blood irradiation and food sterilisation facilities use 20-200 kCi sources; research reactor fission product inventories are characterised in kCi; ⁹⁰Sr/⁹⁰Y radioisotope thermoelectric generators (RTGs) contain 10-150 kCi. 1 kCi = 3.7 × 10¹³ 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
| Kilocuries (kCi) | Curies (Ci) |
|---|---|
| 1 kCi | 1000 Ci |
| 2 kCi | 2000 Ci |
| 5 kCi | 5000 Ci |
| 10 kCi | 10000 Ci |
| 25 kCi | 25000 Ci |
| 50 kCi | 50000 Ci |
| 100 kCi | 100000 Ci |