Convert Millicurie to Disintegrations per Minute
Enter the number of millicuries that you want to convert to disintegrations per minute.
How to Convert Millicuries to Disintegrations per Minute
The millicurie and disintegrations per minute are both units of radioactivity. By definition, 1 millicurie equals exactly 2.21999556e18 disintegrations per minute. This means to convert millicuries to disintegrations per minute, you multiply by 2.21999556e18.
Formula
Step-by-Step Example
Convert 5 mCi to disintegrations per minute:
We need to convert millicuries to disintegrations per minute
Since 1 mCi = 2.21999556e18 dpm, multiply by 2.21999556e18
5 × 2.21999556e18 = 1.10999778e19
5 mCi = 1.10999778e19 dpm
Millicurie to Disintegrations per Minute Conversion Table
Quick reference table for common millicurie to disintegrations per minute conversions. Click any value for detailed calculation.
| Millicuries (mCi) | Disintegrations per Minute (dpm) |
|---|---|
| 0.1 mCi | 2.21999556e17 dpm |
| 0.5 mCi | 1.10999778e18 dpm |
| 1 mCi | 2.21999556e18 dpm |
| 2 mCi | 4.43999112e18 dpm |
| 5 mCi | 1.10999778e19 dpm |
| 10 mCi | 2.21999556e19 dpm |
| 25 mCi | 5.5499889e19 dpm |
| 50 mCi | 1.10999778e20 dpm |
| 100 mCi | 2.21999556e20 dpm |
About These Units
Millicurie (mCi)
A millicurie (mCi) equals 0.001 curie or 37 MBq. Standard unit for nuclear medicine imaging in US: thyroid uptake 0.1-0.2 mCi, bone scan 20-30 mCi, cardiac stress test 25-35 mCi. Laboratory calibration sources: 1-10 mCi typical.
Disintegrations per Minute (dpm)
Disintegrations per minute (dpm) equals 1/60 becquerel. Standard in liquid scintillation counting and wipe test analysis. One becquerel = 60 dpm. One microcurie = 2.22×10⁶ dpm. Accounts for true activity independent of detector efficiency.
Frequently Asked Questions
How do I convert millicuries to disintegrations per minute?
To convert millicuries to disintegrations per minute, multiply the value by 2.21999556e18. For example, 10 mCi = 2.21999556e19 dpm.
How many disintegrations per minute are in 1 millicurie?
1 millicurie equals 2.21999556e18 disintegrations per minute.
What is the formula for millicuries to disintegrations per minute?
The formula is: dpm = mCi × 2.21999556e18.