Centigray is 0.01 gray units.
Centigrays to Picograys Converter — cGy to pGy
Convert Centigray (cGy) to Picogray (pGy) using the exact conversion factor (1 centigray = 10,000,000,000 picogray). See the formula, worked examples, and conversion table.
Centigrays to Picograys converter
Converter
Radiation Converter
Convert radioactivity, absorbed dose, and equivalent dose units by compatible radiation family.
Context values
Some unit families need one extra value for a physically accurate result.
Picogray is 1e-12 gray units.
Result = input x 0.01 / 1e-12.
Absorbed Dose units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Centigrays to Picograys
Centigray and Picogray both belong to the radiation-measurement family, though radiation quantities fall into genuinely distinct categories: absorbed dose (gray, rad) measures energy deposited in matter, equivalent dose (sievert, rem) weights that for biological harm, and activity (becquerel, curie) measures how often a radioactive source decays — this page only converts between units of the same kind. Specifically: Centigray is 0.01 gray units, and picogray is 1e-12 gray units.
Formula
picograys = centigrays × 10000000000
This factor comes from each unit's defined relationship to the category's base unit: 1 centigray equals 0.01 base units, and 1 picogray equals 1e-12 base units, so dividing one by the other gives the direct centigray-to-picogray factor of 10000000000.
Simple example
1 cGy × 10000000000 = 10,000,000,000 pGy
1 centigray = 10,000,000,000 picograys.
Real-world example
10 cGy × 10000000000 = 100,000,000,000 pGy
10 centigrays = 100,000,000,000 picograys.
Conversion table
| Centigray (cGy) | Picogray (pGy) |
|---|---|
| 0.001 cGy | 10,000,000 pGy |
| 0.01 cGy | 100,000,000 pGy |
| 0.1 cGy | 1,000,000,000 pGy |
| 1 cGy | 10,000,000,000 pGy |
| 10 cGy | 100,000,000,000 pGy |
| 100 cGy | 1e+12 pGy |
Reverse conversion: Picogray to Centigray
1 pGy × 1e-10 = 1e-10 cGy
1 picogray = 1e-10 centigrays.
centigrays = picograys × 1e-10
For a page dedicated to this direction, see Picogray to Centigray.
Understanding the Centigray (cGy)
Centigray is 0.01 gray units.
Understanding the Picogray (pGy)
Picogray is 1e-12 gray units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picograys are in 1 centigray?
1 centigray equals 10,000,000,000 picograys, using the exact defined conversion factor rather than an estimate.
How do I convert centigray to picogray?
Multiply the centigray value by 10000000000. The converter above does this instantly to whatever precision you set.
How do I convert picogray back to centigray?
Use the reverse factor: 1 picogray equals 1e-10 centigrays. You can also use the swap control in the converter above to flip the direction instantly.
What is a centigray?
Centigray (cGy) is a unit of radiation.
What is a picogray?
Picogray (pGy) is a unit of radiation.
Is the centigray to picogray conversion exact?
Yes. Both centigray and picogray are defined by fixed standards rather than physical artifacts, so the factor of 10000000000 used above is exact to as many digits as you choose to display.
What's the difference between absorbed dose, equivalent dose, and activity?
Absorbed dose (gray, rad) measures the energy radiation deposits in matter. Equivalent dose (sievert, rem) adjusts that figure for how harmful different types of radiation are to biological tissue. Activity (becquerel, curie) measures how often a radioactive source decays, independent of how much dose a person actually receives from it.