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Radiology Converters

Radiation - Activity Converter

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Radiation - Activity Converter

Convert radiation activity units such as becquerel, curie, and rutherford.

About this converter

Radiation activity measures the rate at which radioactive material decays. It includes SI, legacy, and practical decay-rate units.

The base unit for this converter is becquerel, which lets us map each unit into one consistent formula layer before converting to the target unit.

Quick examples

1000 Bq to Ci0.000000027027027027027 Ci
1000 Bq to mCi0.000027027027027027 mCi
1000 Ci to Bq37,000,000,000,000 Bq
1000 Ci to mCi1,000,000 mCi
1000 mCi to Bq37,000,000,000 Bq
1000 mCi to Ci1 Ci
1000 µCi to Bq37,000,000 Bq
1000 µCi to Ci0.001 Ci

Available units

Becquerel

Bq

The SI unit of radioactivity.

Also written as becquerels.

Curie

Ci

A large non-SI unit of radioactivity.

Also written as curies.

Millicurie

mCi

One thousandth of a curie.

Also written as millicuries.

Microcurie

µCi

One millionth of a curie.

Also written as uCi, microcuries.

Rutherford

Rd

A legacy unit of radioactivity.

Also written as rutherfords.

Disintegrations per second

dps

Equivalent to the becquerel.

Also written as disintegrations per second.

Terabecquerel

TBq

One trillion becquerels.

Gigabecquerel

GBq

One billion becquerels.

Megabecquerel

MBq

One million becquerels.

Kilobecquerel

kBq

One thousand becquerels.

Millibecquerel

mBq

One thousandth of a becquerel.

Kilocurie

kCi

One thousand curies.

Nanocurie

nCi

One billionth of a curie.

Picocurie

pCi

One trillionth of a curie.

One per second

1/s

Alternative unit for becquerel.

Disintegrations per minute

dpm

Activity per minute.