Curie to Kilocurie Conversion

Convert between Curie and Kilocurie quickly and accurately.

Ci
kCi

How to Convert Curie to Kilocurie

Conversion Formula

1 Ci = 0.001 kCi
1 kCi = 1000 Ci

Example

Convert 15 Ci to kCi:

15 Ci = 15 × 0.001 kCi = 0.015 kCi

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

Kilocurie

kCi

Definition

A unit of radioactivity equal to 1000 curie or 3.7 × 10^13 becquerel, used for very high activity sources.

History/Origin

Derived from the curie unit with the kilo- prefix, used for very large radioactive sources.

Current Use

Used in nuclear power plants, large industrial sources, and high-activity applications.

Multiplier

4E+13

Offset

0

Curie to Kilocurie Conversion Table

Curie [Ci] Kilocurie [kCi]
1 Ci 0.001 kCi
10 Ci 0.01 kCi
25 Ci 0.025 kCi
50 Ci 0.05 kCi
100 Ci 0.1 kCi
0 Ci 0E+0 kCi
-10 Ci -0.01 kCi
-40 Ci -0.04 kCi