Curie to Microcurie Conversion

Convert between Curie and Microcurie quickly and accurately.

Ci
µCi

How to Convert Curie to Microcurie

Conversion Formula

1 Ci = 1000000 µCi
1 µCi = 0 Ci

Example

Convert 15 Ci to µCi:

15 Ci = 15 × 1000000 µCi = 15000000 µCi

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

Microcurie

µCi

Definition

A unit of radioactivity equal to 10^-6 curie or 3.7 × 10^4 becquerel, used for small activity sources.

History/Origin

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

Current Use

Used in nuclear medicine, research applications, and small-scale radioactive sources.

Multiplier

37000

Offset

0

Curie to Microcurie Conversion Table

Curie [Ci] Microcurie [µCi]
1 Ci 1000000 µCi
10 Ci 10000000 µCi
25 Ci 25000000 µCi
50 Ci 50000000 µCi
100 Ci 100000000 µCi
0 Ci 0E+0 µCi
-10 Ci -10000000 µCi
-40 Ci -40000000 µCi