Convert microcuries to curies
1 µCi = 0.000001 Ci — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.000 001Ci
Exact decimal: 0.000001
As a fraction: 1/1000000
1 µCi = 0.000001 Ci
How to convert microcuries to curies
Multiply the number of microcuries by 0.000001 to get curies.
The exact factor is 0.000001 — as a fraction, 1/1000000.
Curie: Exactly 3.7 × 10¹⁰ Bq — originally the activity of one gram of radium-226.
Microcurie to Curie conversion table
| Microcuries (µCi) | Curies (Ci) |
|---|---|
| 1 µCi | 0.000 001 |
| 2 µCi | 0.000 002 |
| 3 µCi | 0.000 003 |
| 5 µCi | 0.000 005 |
| 10 µCi | 0.000 01 |
| 20 µCi | 0.000 02 |
| 25 µCi | 0.000 025 |
| 50 µCi | 0.000 05 |
| 100 µCi | 0.0001 |
| 250 µCi | 0.000 25 |
| 500 µCi | 0.0005 |
| 1000 µCi | 0.001 |
Curie to Microcurie conversion table
| Curies (Ci) | Microcuries (µCi) |
|---|---|
| 1 Ci | 1 000 000 |
| 2 Ci | 2 000 000 |
| 3 Ci | 3 000 000 |
| 5 Ci | 5 000 000 |
| 10 Ci | 10 000 000 |
| 20 Ci | 20 000 000 |
| 25 Ci | 25 000 000 |
| 50 Ci | 50 000 000 |
| 100 Ci | 100 000 000 |
| 250 Ci | 250 000 000 |
| 500 Ci | 500 000 000 |
| 1000 Ci | 1 000 000 000 |
Frequently asked
How many curies are in a microcurie?
One microcurie equals 0.000001 curies (µCi → Ci). That figure is exact, not rounded.
How do you convert microcuries to curies?
Multiply the number of microcuries by 0.000001 to get curies.
What is 1 Ci in microcuries?
One curie is 1000000 microcuries.
What is 10 µCi in Ci?
10 µCi = 0.000 01 Ci.
What exactly is a curie?
Exactly 3.7 × 10¹⁰ Bq — originally the activity of one gram of radium-226.