Convert picocuries to curies
1 pCi = 0.000000000001 Ci — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
How to convert picocuries to curies
Multiply the number of picocuries by 0.000000000001 to get curies.
The exact factor is 0.000000000001 — as a fraction, 1/1000000000000.
Picocurie: Radon in air is reported in pCi/L in the US, Bq/m³ elsewhere.
Curie: Exactly 3.7 × 10¹⁰ Bq — originally the activity of one gram of radium-226.
Picocurie to Curie conversion table
| Picocuries (pCi) | Curies (Ci) |
|---|---|
| 1 pCi | 1e-12 |
| 2 pCi | 2e-12 |
| 3 pCi | 3e-12 |
| 5 pCi | 5e-12 |
| 10 pCi | 1e-11 |
| 20 pCi | 2e-11 |
| 25 pCi | 2.5e-11 |
| 50 pCi | 5e-11 |
| 100 pCi | 1e-10 |
| 250 pCi | 2.5e-10 |
| 500 pCi | 5e-10 |
| 1000 pCi | 1e-9 |
Curie to Picocurie conversion table
| Curies (Ci) | Picocuries (pCi) |
|---|---|
| 1 Ci | 1 000 000 000 000 |
| 2 Ci | 2 000 000 000 000 |
| 3 Ci | 3 000 000 000 000 |
| 5 Ci | 5 000 000 000 000 |
| 10 Ci | 10 000 000 000 000 |
| 20 Ci | 20 000 000 000 000 |
| 25 Ci | 25 000 000 000 000 |
| 50 Ci | 50 000 000 000 000 |
| 100 Ci | 100 000 000 000 000 |
| 250 Ci | 250 000 000 000 000 |
| 500 Ci | 500 000 000 000 000 |
| 1000 Ci | 1 000 000 000 000 000 |
Frequently asked
How many curies are in a picocurie?
One picocurie equals 1e-12 curies (pCi → Ci). That figure is exact, not rounded.
How do you convert picocuries to curies?
Multiply the number of picocuries by 0.000000000001 to get curies.
What is 1 Ci in picocuries?
One curie is 1000000000000 picocuries.
What is 10 pCi in Ci?
10 pCi = 1e-11 Ci.
What exactly is a picocurie?
Radon in air is reported in pCi/L in the US, Bq/m³ elsewhere.
What exactly is a curie?
Exactly 3.7 × 10¹⁰ Bq — originally the activity of one gram of radium-226.