Convert Millicurie to Picocurie
Convert millicuries to picocuries by entering a value below.
How to Convert Millicuries to Picocuries
The millicurie and picocurie are both units of radioactivity. By definition, 1 millicurie equals exactly 1e18 picocuries. This means to convert millicuries to picocuries, you multiply by 1e18.
Formula
Step-by-Step Example
Convert 5 mCi to picocuries:
We need to convert millicuries to picocuries
Since 1 mCi = 1e18 pCi, multiply by 1e18
5 × 1e18 = 5e18
5 mCi = 5e18 pCi
Millicurie to Picocurie Conversion Table
Quick reference table for common millicurie to picocurie conversions. Click any value for detailed calculation.
| Millicuries (mCi) | Picocuries (pCi) |
|---|---|
| 0.1 mCi | 1e17 pCi |
| 0.5 mCi | 5e17 pCi |
| 1 mCi | 1e18 pCi |
| 2 mCi | 2e18 pCi |
| 5 mCi | 5e18 pCi |
| 10 mCi | 1e19 pCi |
| 25 mCi | 2.5e19 pCi |
| 50 mCi | 5e19 pCi |
| 100 mCi | 1e20 pCi |
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.
Picocurie (pCi)
A picocurie (pCi) equals 10⁻¹² curie or 0.037 Bq. Standard US unit for radon: EPA action level is 4 pCi/L. Drinking water: 15 pCi/L alpha limit. One pCi = 2.22 decays per minute. Used extensively in US environmental regulations.
Frequently Asked Questions
How do I convert millicuries to picocuries?
To convert millicuries to picocuries, multiply the value by 1e18. For example, 10 mCi = 1e19 pCi.
How many picocuries are in 1 millicurie?
1 millicurie equals 1e18 picocuries.
What is the formula for millicuries to picocuries?
The formula is: pCi = mCi × 1e18.