Hectogray is 100 gray units.
Hectogray to Exagray
Convert Hectogray (hGy) to Exagray (EGy) 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.
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Some unit families need one extra value for a physically accurate result.
Exagray is 1000000000000000000 gray units.
EGy = hGy × 1e-16
Results update instantly for Hectogray to Exagray conversions.
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Formula
1 Hectogray = 1e-16 Exagray
EGy = hGy × 1e-16
hGy = EGy ÷ 1e-16
Conversion table
| 1 hGy | 1e-16 EGy |
| 2 hGy | 2e-16 EGy |
| 5 hGy | 5e-16 EGy |
| 10 hGy | 1e-15 EGy |
| 20 hGy | 2e-15 EGy |
| 50 hGy | 5e-15 EGy |
| 100 hGy | 1e-14 EGy |
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Frequently asked questions
How many Exagrays are in one Hectogray?
One Hectogray equals 1e-16 Exagrays.
How do I convert Hectogray to Exagray?
Multiply the number of Hectograys by 1e-16 to get Exagrays. To go the other way, multiply Exagrays by 1e+16 (or divide by 1e-16) to get Hectograys.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Hectogray and Exagray, so the result shown is mathematically precise (rounded only for display).
When is Hectogray to Exagray 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
Hectogray and Exagray are units used in the radiation family of measurements. Both units measure absorbed radiation dose (energy deposited per unit mass). This converter uses the precise relationship 1 Hectogray = 1e-16 Exagrays (equivalently 1 Exagray = 1e+16 Hectograys), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.