Radioactivity

Convert becquerel to curie

1 becquerel equals 2.7027027e-11 curies. Enter a value below to convert instantly.

1 Bq
2.7027027e-11 Ci

Multiply the number of becquerels by 2.7027027027027027e-11 to get curies. How this is calculated

Need the other direction? Convert curie to becquerel →

Formula

Multiply the number of becquerels by 2.7027027027027027e-11 to get curies.

Step by step

  1. Start with 1 Bq.
  2. Multiply by the conversion factor 2.7027027027027027e-11.
  3. 1 × 2.7027027027027027e-11 = 2.7027027e-11 Ci.

Becquerels to Curies conversion table

Conversion table from Becquerels to Curies
Becquerels (Bq) Curies (Ci)
1 2.7027027e-11
2 5.4054054e-11
5 1.3513514e-10
10 2.7027027e-10
20 5.4054054e-10
50 1.3513514e-9
100 2.7027027e-9
1,000 2.7027027e-8

Convert Becquerel to other radioactivity units

1 Bq expressed in every other radioactivity unit on this site.

  • Kilobecquerel kBq 0.001
  • Megabecquerel MBq 0.000001
  • Gigabecquerel GBq 1e-9
  • Terabecquerel TBq 1e-12
  • Millibecquerel mBq 1,000
  • Curie Ci 2.7027027e-11
  • Kilocurie kCi 2.7027027e-14
  • Millicurie mCi 2.7027027e-8
  • Microcurie µCi 0.000027027027
  • Nanocurie nCi 0.027027027
  • Picocurie pCi 27.027027
  • Rutherford Rd 0.000001
  • Disintegration per Second dps 1
  • Disintegration per Minute dpm 60

About the becquerel

The becquerel (Bq) is a SI unit of radioactivity. One nuclear decay per second.

About the curie

The curie (Ci) is a Other unit of radioactivity. Originally the activity of one gram of radium-226; now defined as exactly 3.7 × 10¹⁰ Bq.

Where this conversion is used

Converting becquerels to curies comes up when nuclear medicine, radon testing, and environmental monitoring. One curie is 37 billion becquerels, which is why trace measurements are reported in picocuries.

Related conversions

Frequently asked questions

How many curies are in a becquerel?

One becquerel equals 2.7027027e-11 curies.

How do you convert becquerels to curies?

Multiply the number of becquerels by 2.7027027027027027e-11 to get curies.

What is 1 curie in becquerels?

One curie equals 37,000,000,000 becquerels.

When would I convert becquerels to curies?

This conversion is common when nuclear medicine, radon testing, and environmental monitoring.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.