Attogray is 1e-18 gray units.
Attogray to Kilogray
Convert Attogray (aGy) to Kilogray (kGy) 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.
Kilogray is 1000 gray units.
kGy = aGy × 1e-21
Results update instantly for Attogray to Kilogray conversions.
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Formula
1 Attogray = 1e-21 Kilogray
kGy = aGy × 1e-21
aGy = kGy ÷ 1e-21
Conversion table
| 1 aGy | 1e-21 kGy |
| 2 aGy | 2e-21 kGy |
| 5 aGy | 5e-21 kGy |
| 10 aGy | 1e-20 kGy |
| 20 aGy | 2e-20 kGy |
| 50 aGy | 5e-20 kGy |
| 100 aGy | 1e-19 kGy |
Related conversions
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Frequently asked questions
How many Kilograys are in one Attogray?
One Attogray equals 1e-21 Kilograys.
How do I convert Attogray to Kilogray?
Multiply the number of Attograys by 1e-21 to get Kilograys. To go the other way, multiply Kilograys by 1e+21 (or divide by 1e-21) to get Attograys.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Attogray and Kilogray, so the result shown is mathematically precise (rounded only for display).
When is Attogray to Kilogray 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
Attogray and Kilogray 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 Attogray = 1e-21 Kilograys (equivalently 1 Kilogray = 1e+21 Attograys), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.