Convert Curie to Nanocurie
Convert curies to nanocuries by entering a value below.
How to Convert Curies to Nanocuries
The curie and nanocurie are both units of radioactivity. By definition, 1 curie equals exactly 1000000000 nanocuries. This means to convert curies to nanocuries, you multiply by 1000000000.
Formula
Step-by-Step Example
Convert 5 Ci to nanocuries:
We need to convert curies to nanocuries
Since 1 Ci = 1000000000 nCi, multiply by 1000000000
5 × 1000000000 = 5000000000
5 Ci = 5000000000 nCi
Curie to Nanocurie Conversion Table
Quick reference table for common curie to nanocurie conversions. Click any value for detailed calculation.
| Curies (Ci) | Nanocuries (nCi) |
|---|---|
| 0.1 Ci | 100000000 nCi |
| 0.5 Ci | 500000000 nCi |
| 1 Ci | 1000000000 nCi |
| 2 Ci | 2000000000 nCi |
| 5 Ci | 5000000000 nCi |
| 10 Ci | 10000000000 nCi |
| 25 Ci | 25000000000 nCi |
| 50 Ci | 50000000000 nCi |
| 100 Ci | 100000000000 nCi |
About These Units
Curie (Ci)
The curie (Ci) is the traditional unit of radioactivity, originally defined as the activity of 1 gram of Ra-226. One curie = 3.7×10¹⁰ decays/second = 37 GBq exactly. Named after Marie and Pierre Curie. Still used in US nuclear medicine and industry.
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 curies to nanocuries?
To convert curies to nanocuries, multiply the value by 1000000000. For example, 10 Ci = 10000000000 nCi.
How many nanocuries are in 1 curie?
1 curie equals 1000000000 nanocuries.
What is the formula for curies to nanocuries?
The formula is: nCi = Ci × 1000000000.