Curie to Picocurie Conversion

Convert between Curie and Picocurie quickly and accurately.

Ci
pCi

How to Convert Curie to Picocurie

Conversion Formula

1 Ci = 1E+12 pCi
1 pCi = 1E-12 Ci

Example

Convert 15 Ci to pCi:

15 Ci = 15 × 1E+12 pCi = 2E+13 pCi

Unit Information

Learn about the radiation activity units you're converting between

Curie

Ci

Definition

A unit of radioactivity equal to 3.7 × 10^10 becquerel, originally defined as the activity of 1 gram of radium-226.

History/Origin

Named after Marie Curie (1867-1934) and Pierre Curie (1859-1906), pioneers in the study of radioactivity.

Current Use

Still widely used in the United States, particularly in nuclear medicine and radiation therapy.

Multiplier

37000000000

Offset

0

Picocurie

pCi

Definition

A unit of radioactivity equal to 10^-12 curie or 0.037 becquerel, used for extremely small activity sources.

History/Origin

Derived from the curie unit with the pico- prefix, used for extremely small radioactive sources.

Current Use

Used in environmental monitoring, food safety testing, and ultra-low-level radiation measurements.

Multiplier

0.037

Offset

0

Curie to Picocurie Conversion Table

Curie [Ci] Picocurie [pCi]
1 Ci 1E+12 pCi
10 Ci 1E+13 pCi
25 Ci 2E+13 pCi
50 Ci 5E+13 pCi
100 Ci 1E+14 pCi
0 Ci 0E+0 pCi
-10 Ci -1E+13 pCi
-40 Ci -4E+13 pCi