Gray is absorbed dose in joules per kilogram.
Gray to Curie
Convert Gray (Gy) to Curie (Ci) instantly. Free online radiation converter with formulas, tables and examples.
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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.
Curie is 3.7e10 becquerels.
Ci = Gy × 2.7027027e-11
Results update instantly for Gray to Curie conversions.
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Formula
1 Gray = 2.7027027e-11 Curie
Ci = Gy × 2.7027027e-11
Gy = Ci ÷ 2.7027027e-11
Conversion table
| 1 Gy | 2.7027027e-11 Ci |
| 2 Gy | 5.40540541e-11 Ci |
| 5 Gy | 1.35135135e-10 Ci |
| 10 Gy | 2.7027027e-10 Ci |
| 20 Gy | 5.40540541e-10 Ci |
| 50 Gy | 1.35135135e-9 Ci |
| 100 Gy | 2.7027027e-9 Ci |
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Frequently asked questions
How many Curies are in one Gray?
One Gray equals 2.7027027e-11 Curies.
How do I convert Gray to Curie?
Multiply the number of Grays by 2.7027027e-11 to get Curies. To go the other way, multiply Curies by 3.7e+10 (or divide by 2.7027027e-11) to get Grays.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Gray and Curie, so the result shown is mathematically precise (rounded only for display).
When is Gray to Curie conversion commonly used?
It is commonly used in nuclear medicine, radiation safety, health physics, and scientific research involving radioactivity and radiation dose.
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About this conversion
Gray and Curie are units used in the radiation family of measurements. Gray measures absorbed radiation dose (energy deposited per unit mass), while Curie measures radioactive activity (the rate of radioactive decay). This page provides the direct numeric ratio between the two units. This converter uses the precise relationship 1 Gray = 2.7027027e-11 Curies (equivalently 1 Curie = 3.7e+10 Grays), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.