How many Becquerel (Bq) are in one Curie (Ci)?

One Curie equals 37,000,000,000 Becquerel.

How do you convert Curie to Becquerel?

Multiply the Curie value by 37,000,000,000 to get the result in Becquerel.

Multiply the Becquerel value by 0.000000000027027027027027 to get back to Curie.

1000 Curie equals 37,000,000,000,000 Becquerel.

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Use this page to convert curie values into becquerel, with background details, formulas, a worked example, and a quick conversion table.

1 Ci = 37,000,000,000 Bq

1 Bq = 0.000000000027027027027027 Ci

Example: 1000 Ci = 37,000,000,000,000 Bq

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.

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.

How many Becquerel (Bq) are in one Curie (Ci)?
One Curie equals 37,000,000,000 Becquerel.
How do you convert Curie to Becquerel?
Multiply the Curie value by 37,000,000,000 to get the result in Becquerel.
How do you convert Becquerel back to Curie?
Multiply the Becquerel value by 0.000000000027027027027027 to get back to Curie.
What is 1000 Curie in Becquerel?
1000 Curie equals 37,000,000,000,000 Becquerel.