Convert becquerels to curies

1 Bq = 0.000000000027027027027 Ci — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

2.7027027027e-11Ci
≈ Rounded to 12 s.f. 1 Bq ≈ 2.7027027027e-11 Ci
As a fraction: 1/37000000000
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1 Bq = 0.000000000027027027027 Ci
Show this value in all 13 radioactivity units
  • Terabecquerels TBq 1e-12
  • Gigabecquerels GBq 1e-9
  • Megabecquerels MBq 0.000 001
  • Kilobecquerels kBq 0.001
  • Becquerels Bq 1
  • Curies Ci 2.7027027027e-11
  • Millicuries mCi 2.7027027027e-8
  • Microcuries µCi 0.000 027 027 027 027
  • Nanocuries nCi 0.027 027 027 027
  • Picocuries pCi 27.027 027 027
  • Rutherfords Rd 0.000 001
  • Disintegration per minutes dpm 60
  • Disintegration per seconds dps 1

Every row is Becquerel (Bq) converted through the becquerel, in exact rational arithmetic.

How to convert becquerels to curies

Multiply the number of becquerels by 0.000000000027027027027 to get curies.

Curie: Exactly 3.7 × 10¹⁰ Bq — originally the activity of one gram of radium-226.

Becquerel to Curie conversion table

Becquerels (Bq) Curies (Ci)
1 Bq 2.7027027e-11
2 Bq 5.4054054e-11
3 Bq 8.1081081e-11
5 Bq 1.3513514e-10
10 Bq 2.7027027e-10
20 Bq 5.4054054e-10
25 Bq 6.7567568e-10
50 Bq 1.3513514e-9
100 Bq 2.7027027e-9
250 Bq 6.7567568e-9
500 Bq 1.3513514e-8
1000 Bq 2.7027027e-8

Curie to Becquerel conversion table

Curies (Ci) Becquerels (Bq)
1 Ci 37 000 000 000
2 Ci 74 000 000 000
3 Ci 111 000 000 000
5 Ci 185 000 000 000
10 Ci 370 000 000 000
20 Ci 740 000 000 000
25 Ci 925 000 000 000
50 Ci 1 850 000 000 000
100 Ci 3 700 000 000 000
250 Ci 9 250 000 000 000
500 Ci 18 500 000 000 000
1000 Ci 37 000 000 000 000

Frequently asked

How many curies are in a becquerel?

One becquerel equals 2.702702703e-11 curies (Bq → Ci). That figure is exact, not rounded.

How do you convert becquerels to curies?

Multiply the number of becquerels by 0.000000000027027027027 to get curies.

What is 1 Ci in becquerels?

One curie is 37000000000 becquerels.

What is 10 Bq in Ci?

10 Bq = 2.7027027e-10 Ci.

What exactly is a curie?

Exactly 3.7 × 10¹⁰ Bq — originally the activity of one gram of radium-226.

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