Gigagray is 1000000000 gray units.
Gigagray to Teragray
Convert Gigagray (GGy) to Teragray (TGy) 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.
Teragray is 1000000000000 gray units.
TGy = GGy × 0.001
Results update instantly for Gigagray to Teragray conversions.
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Formula
1 Gigagray = 0.001 Teragray
TGy = GGy × 0.001
GGy = TGy ÷ 0.001
Conversion table
| 1 GGy | 0.001 TGy |
| 2 GGy | 0.002 TGy |
| 5 GGy | 0.005 TGy |
| 10 GGy | 0.01 TGy |
| 20 GGy | 0.02 TGy |
| 50 GGy | 0.05 TGy |
| 100 GGy | 0.1 TGy |
Related conversions
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Frequently asked questions
How many Teragrays are in one Gigagray?
One Gigagray equals 0.001 Teragrays.
How do I convert Gigagray to Teragray?
Multiply the number of Gigagrays by 0.001 to get Teragrays. To go the other way, multiply Teragrays by 1000 (or divide by 0.001) to get Gigagrays.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Gigagray and Teragray, so the result shown is mathematically precise (rounded only for display).
When is Gigagray to Teragray 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
Gigagray and Teragray 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 Gigagray = 0.001 Teragrays (equivalently 1 Teragray = 1000 Gigagrays), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.