Convert Millicurie to Nanocurie

Type the number of millicuries that you wish to convert to nanocuries.

1 mCi (millicuries) = 1e15 nCi (nanocuries)

How to Convert Millicuries to Nanocuries

The millicurie and nanocurie are both units of radioactivity. By definition, 1 millicurie equals exactly 1e15 nanocuries. This means to convert millicuries to nanocuries, you multiply by 1e15.

Formula

nanocuries = millicuries × 1e15

Step-by-Step Example

Convert 5 mCi to nanocuries:

1
Convert 5 mCi to nanocuries

We need to convert millicuries to nanocuries

2
Apply the formula

Since 1 mCi = 1e15 nCi, multiply by 1e15

5 × 1e15 = 5e15

Answer

5 mCi = 5e15 nCi

Millicurie to Nanocurie Conversion Table

Quick reference table for common millicurie to nanocurie conversions. Click any value for detailed calculation.

Millicuries (mCi) Nanocuries (nCi)
0.1 mCi 1e14 nCi
0.5 mCi 5e14 nCi
1 mCi 1e15 nCi
2 mCi 2e15 nCi
5 mCi 5e15 nCi
10 mCi 1e16 nCi
25 mCi 2.5e16 nCi
50 mCi 5e16 nCi
100 mCi 1e17 nCi

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.

Nanocurie (nCi)

A nanocurie (nCi) equals 10⁻⁹ curie or 37 Bq. Used in environmental monitoring, food analysis, and low-level waste characterization. Human body potassium-40: ~100 nCi. Drinking water standards often in pCi/L or nCi/L.

Frequently Asked Questions

How do I convert millicuries to nanocuries?

To convert millicuries to nanocuries, multiply the value by 1e15. For example, 10 mCi = 1e16 nCi.

How many nanocuries are in 1 millicurie?

1 millicurie equals 1e15 nanocuries.

What is the formula for millicuries to nanocuries?

The formula is: nCi = mCi × 1e15.