Radioactivity Converter
Convert becquerel, curie, rutherford, and other radioactivity units with SI prefixes.
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Convert becquerel, curie, and related activity units
Radioactivity measures decays per second. Convert between SI becquerels (with k/M/G prefixes), legacy curie units, and the deprecated rutherford (106 Bq) using exact conversion factors.
Frequently Asked Questions
How is curie defined here?
1 curie = 3.7×1010 becquerels, the standard definition used in health physics references.
Can I enter scientific notation?
Yes. Standard JavaScript numeric parsing accepts values like 3.7e7.
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