Convert disintegration per minutes to millicuries

1 dpm = 0.00000000045045045045 mCi — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

From

4.5045045045e-10mCi

≈ Rounded to 12 s.f. 1 dpm ≈ 4.5045045045e-10 mCi

As a fraction: 1/2220000000

Significant digits 12 Notation 1 dpm = 0.00000000045045045045 mCi

How to convert disintegration per minutes to millicuries

Multiply the number of disintegration per minutes by 0.00000000045045045045 to get millicuries.

Disintegration per minute: Liquid-scintillation counting.

Millicurie: Nuclear-medicine doses.

Disintegration per minutes (dpm)	Millicuries (mCi)
1 dpm	4.5045045e-10
2 dpm	9.009009e-10
3 dpm	1.3513514e-9
5 dpm	2.2522523e-9
10 dpm	4.5045045e-9
20 dpm	9.009009e-9
25 dpm	1.1261261e-8
50 dpm	2.2522523e-8
100 dpm	4.5045045e-8
250 dpm	0.000 000 112 612 61
500 dpm	0.000 000 225 225 23
1000 dpm	0.000 000 450 450 45

Millicuries (mCi)	Disintegration per minutes (dpm)
1 mCi	2 220 000 000
2 mCi	4 440 000 000
3 mCi	6 660 000 000
5 mCi	11 100 000 000
10 mCi	22 200 000 000
20 mCi	44 400 000 000
25 mCi	55 500 000 000
50 mCi	111 000 000 000
100 mCi	222 000 000 000
250 mCi	555 000 000 000
500 mCi	1 110 000 000 000
1000 mCi	2 220 000 000 000

One disintegration per minute equals 4.504504505e-10 millicuries (dpm → mCi). That figure is exact, not rounded.

Multiply the number of disintegration per minutes by 0.00000000045045045045 to get millicuries.

One millicurie is 2220000000 disintegration per minutes.

10 dpm = 4.5045045e-9 mCi.

Liquid-scintillation counting.

Nuclear-medicine doses.