Becquerels to Curies (Bq to Ci)

Free online becquerel to curie converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.

RADIOACTIVITY CONVERTER — INSTANT RESULT
Formula: multiply the becquerel value by 2.7027e-11 — i.e. Ci = Bq × 2.7027e-11
Quick check: 1 Bq = 2.7027e-11 Ci

Becquerels to Curies conversion table

Becquerels (Bq)Curies (Ci)
1 Bq2.7027e-11 Ci
2 Bq5.40541e-11 Ci
3 Bq8.10811e-11 Ci
4 Bq1.08108e-10 Ci
5 Bq1.35135e-10 Ci
6 Bq1.62162e-10 Ci
7 Bq1.89189e-10 Ci
8 Bq2.16216e-10 Ci
9 Bq2.43243e-10 Ci
10 Bq2.7027e-10 Ci
15 Bq4.05405e-10 Ci
20 Bq5.40541e-10 Ci
25 Bq6.75676e-10 Ci
30 Bq8.10811e-10 Ci
40 Bq1.08108e-09 Ci
50 Bq1.35135e-09 Ci
75 Bq2.02703e-09 Ci
100 Bq2.7027e-09 Ci
250 Bq6.75676e-09 Ci
500 Bq1.3513514e-08 Ci
1,000 Bq2.7027027e-08 Ci

How to convert becquerels to curies

To convert becquerels to curies, multiply the amount in becquerels by 2.7027e-11. For example, 10 Bq = 2.7027e-10 Ci. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.

Convert radioactive activity between becquerels and curies. One curie is exactly 3.7×10¹⁰ decays per second (becquerels).

Frequently asked questions

How many curies are in one becquerel?
One becquerel is exactly 2.7027e-11 curies.
How do I convert Bq to Ci?
Multiply the Bq value by 2.7027e-11 to get Ci. The converter at the top of this page does this automatically and works in both directions.
How much is 100 becquerels in curies?
100 becquerels equals 2.7027e-09 curies.

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