Bq → Ci
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Becquerel to Curie activity calculator is a useful tool for professionals and students working with radioactivity. It allows converting the activity of a radioactive substance from Becquerel (Bq) to Curie (Ci), two common units used to express the activity of radioactive substances.
The conversion between Bq and Ci is based on the relationship 1 Ci = 3.7 x 10^10 Bq. This means that to convert Bq to Ci, simply divide the Bq value by 3.7 x 10^10. Our calculator performs this operation quickly and accurately.
This calculator is useful in various situations, such as laboratory experiments, quality control of radioactive materials, and industrial applications involving radioactive substances. It is essential to remember that the choice of unit depends on the context and conventions used in each field.
When using this calculator, it is essential to be careful with the input and output units, ensuring that the values are entered correctly and that the output unit is suitable for the context in which it will be used.
Frequently asked questions
What is Becquerel (Bq) and Curie (Ci)?
Becquerel (Bq) and Curie (Ci) are units of measurement of radioactive activity. Bq represents the number of radioactive decays per second, while Ci is an older unit still used in some contexts.
How does the conversion between Bq and Ci work?
The conversion is based on the relationship 1 Ci = 3.7 x 10^10 Bq. To convert Bq to Ci, simply divide the Bq value by 3.7 x 10^10.
In what situations is the conversion from Bq to Ci used?
The conversion is useful in laboratory experiments, quality control of radioactive materials, and industrial applications involving radioactive substances.
What are the precautions when using this calculator?
It is essential to be careful with the input and output units, ensuring that the values are entered correctly and that the output unit is suitable for the context in which it will be used.
Is the calculator accurate?
Yes, our calculator performs the conversion quickly and accurately, using the established relationship between Bq and Ci.