Converter group
Radiology Converters
Radiation - Activity Converter
Result
... Becquerel = ... Curie
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Becquerel to Curie Converter
Use this page to convert becquerel values into curie, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 Bq = 0.000000000027027027027027 Ci
1 Ci = 37,000,000,000 Bq
Example: 1000 Bq = 0.000000027027027027027 Ci
Becquerel
One becquerel is defined as the activity of a quantity of radioactive material in which one nucleus decays per second.
History: Named after Henri Becquerel, who shared a Nobel Prize with Pierre and Marie Curie for their work in discovering radioactivity.
Current use: The standard international unit for radioactivity in medicine, science, and industry.
Also written as Bq, becquerels.
Curie
One curie is approximately the activity of 1 gram of the radium isotope 226Ra, equal to 3.7E+10 becquerels.
History: Named after Pierre and Marie Curie. Originally defined in 1910.
Current use: Still commonly used in the United States and in some clinical settings alongside the becquerel.
Also written as Ci, curies.
Becquerel to Curie table
| Becquerel [Bq] | Curie [Ci] |
|---|---|
| 0.01 Bq | 2.7027027027027e-13 Ci |
| 0.1 Bq | 0.0000000000027027027027027 Ci |
| 1 Bq | 0.000000000027027027027027 Ci |
| 2 Bq | 0.0000000000540540540540541 Ci |
| 5 Bq | 0.000000000135135135135135 Ci |
| 10 Bq | 0.00000000027027027027027 Ci |
| 20 Bq | 0.000000000540540540540541 Ci |
| 50 Bq | 0.00000000135135135135135 Ci |
| 100 Bq | 0.0000000027027027027027 Ci |
Frequently asked questions
How many Curie (Ci) are in one Becquerel (Bq)?
One Becquerel equals 0.000000000027027027027027 Curie.
How do you convert Becquerel to Curie?
Multiply the Becquerel value by 0.000000000027027027027027 to get the result in Curie.
How do you convert Curie back to Becquerel?
Multiply the Curie value by 37,000,000,000 to get back to Becquerel.
What is 1000 Becquerel in Curie?
1000 Becquerel equals 0.000000027027027027027 Curie.
