Converter category
Radiation Activity Converter
Convert between becquerel, curie, rutherford for radioactive decay.
Universal Radiation Activity Converter
About radiation activity conversions
Radioactivity conversions are used in nuclear medicine, radiation safety, environmental monitoring, and physics research. Our radiation activity converter covers the SI unit becquerel, the traditional curie, and the rutherford. Whether you are working with medical isotopes, dosimetry, or nuclear engineering, this converter provides accurate activity conversions based on defined relationships between units.
Most popular radiation activity conversions
Available units
Popular radiation activity conversions (6 total)
Unit definitions
Becquerel (Bq)
SI unit of radioactivity - one decay per second.
Origin: Named after Henri Becquerel.
Current use: Nuclear medicine, Radiation safety, Geophysics
Curie (Ci)
1 Ci = 3.7 × 10¹⁰ Bq.
Origin: Named after Marie and Pierre Curie.
Current use: Medical imaging, Radiotherapy, Historical use
Rutherford (Rd)
1 Rd = 10⁶ Bq.
Origin: Named after Ernest Rutherford.
Current use: Nuclear physics, Research
Common uses for radiation activity conversions
Radiation activity conversions are used in nuclear medicine, radiotherapy, radiation safety, environmental science, and research.
Frequently asked questions about radiation activity
How many becquerels are in 1 curie?+
1 curie equals approximately 37 billion becquerels, or 3.7 × 10¹⁰ Bq.
What is radioactivity?+
Radioactivity measures how many atomic nuclei decay per unit time. Its SI unit is the becquerel, equal to one decay per second.
Which radiation activity units does this converter support?+
It supports becquerels, curies, and rutherfords.