Teragray is 1000000000000 gray units.
Teragray to Petagray
Convert Teragray (TGy) to Petagray (PGy) 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.
Petagray is 1000000000000000 gray units.
PGy = TGy × 0.001
Results update instantly for Teragray to Petagray conversions.
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Formula
1 Teragray = 0.001 Petagray
PGy = TGy × 0.001
TGy = PGy ÷ 0.001
Conversion table
| 1 TGy | 0.001 PGy |
| 2 TGy | 0.002 PGy |
| 5 TGy | 0.005 PGy |
| 10 TGy | 0.01 PGy |
| 20 TGy | 0.02 PGy |
| 50 TGy | 0.05 PGy |
| 100 TGy | 0.1 PGy |
Related conversions
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Frequently asked questions
How many Petagrays are in one Teragray?
One Teragray equals 0.001 Petagrays.
How do I convert Teragray to Petagray?
Multiply the number of Teragrays by 0.001 to get Petagrays. To go the other way, multiply Petagrays by 1000 (or divide by 0.001) to get Teragrays.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Teragray and Petagray, so the result shown is mathematically precise (rounded only for display).
When is Teragray to Petagray 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
Teragray and Petagray 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 Teragray = 0.001 Petagrays (equivalently 1 Petagray = 1000 Teragrays), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.