Convert Becquerel to Curie
Convert becquerels to curies by entering a value below.
How to Convert Becquerels to Curies
The becquerel and curie are both units of radioactivity. By definition, 1 curie equals exactly 37000000000 becquerels. This means to convert becquerels to curies, you divide by 37000000000.
Formula
Step-by-Step Example
Convert 5 Bq to curies:
We need to convert becquerels to curies
Since 1 Ci = 37000000000 Bq, divide by 37000000000
5 ÷ 37000000000 = 1.3513513514e-10
5 Bq = 1.3513513514e-10 Ci
Becquerel to Curie Conversion Table
Quick reference table for common becquerel to curie conversions. Click any value for detailed calculation.
| Becquerels (Bq) | Curies (Ci) |
|---|---|
| 0.1 Bq | 2.7027027027e-12 Ci |
| 0.5 Bq | 1.3513513514e-11 Ci |
| 1 Bq | 2.7027027027e-11 Ci |
| 2 Bq | 5.4054054054e-11 Ci |
| 5 Bq | 1.3513513514e-10 Ci |
| 10 Bq | 2.7027027027e-10 Ci |
| 25 Bq | 6.7567567568e-10 Ci |
| 50 Bq | 1.3513513514e-9 Ci |
| 100 Bq | 2.7027027027e-9 Ci |
About These Units
Becquerel (Bq)
The becquerel (Bq) is the SI unit of radioactivity, measuring decay rate: one becquerel = one nuclear decay per second. Named after Henri Becquerel who discovered radioactivity in 1896. Human body contains ~7,000 Bq from potassium-40. One curie = 37 billion becquerels.
Curie (Ci)
The curie (Ci) is the traditional unit of radioactivity, originally defined as the activity of 1 gram of Ra-226. One curie = 3.7×10¹⁰ decays/second = 37 GBq exactly. Named after Marie and Pierre Curie. Still used in US nuclear medicine and industry.
Frequently Asked Questions
How do I convert becquerels to curies?
To convert becquerels to curies, divide the value by 37000000000. For example, 10 Bq = 2.7027027027e-10 Ci.
How many curies are in 1 becquerel?
1 becquerel equals 2.7027027027e-11 curies.
What is the formula for becquerels to curies?
The formula is: Ci = Bq ÷ 37000000000.