Convert Millibecquerels to Curies
Convert Millibecquerels (mBq) to Curies (Ci) instantly and accurately.
Conversion Formula
Ci = mBq × 2.702702703e-14
About Millibecquerels
The millibecquerel (mBq) equals 10⁻³ Bq. Radiological surface contamination surveys in nuclear facilities use mBq/cm² alert levels for alpha and beta emitters; uranium and plutonium bioassay in urine from occupationally exposed workers is reported in mBq/sample. 1 mBq = 10⁻³ Bq = 10⁻³ s⁻¹.
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
| Millibecquerels (mBq) | Curies (Ci) |
|---|---|
| 1 mBq | 2.703 × 10-14 Ci |
| 2 mBq | 5.405 × 10-14 Ci |
| 5 mBq | 1.351 × 10-13 Ci |
| 10 mBq | 2.703 × 10-13 Ci |
| 25 mBq | 6.757 × 10-13 Ci |
| 50 mBq | 1.351 × 10-12 Ci |
| 100 mBq | 2.703 × 10-12 Ci |