Femtogray is 1e-15 gray units.
Femtogray to Attogray
Convert Femtogray (fGy) to Attogray (aGy) 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.
Attogray is 1e-18 gray units.
aGy = fGy × 1000
Results update instantly for Femtogray to Attogray conversions.
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Formula
1 Femtogray = 1000 Attogray
aGy = fGy × 1000
fGy = aGy ÷ 1000
Conversion table
| 1 fGy | 1000 aGy |
| 2 fGy | 2000 aGy |
| 5 fGy | 5000 aGy |
| 10 fGy | 10000 aGy |
| 20 fGy | 20000 aGy |
| 50 fGy | 50000 aGy |
| 100 fGy | 100000 aGy |
Related conversions
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Frequently asked questions
How many Attograys are in one Femtogray?
One Femtogray equals 1000 Attograys.
How do I convert Femtogray to Attogray?
Multiply the number of Femtograys by 1000 to get Attograys. To go the other way, multiply Attograys by 0.001 (or divide by 1000) to get Femtograys.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Femtogray and Attogray, so the result shown is mathematically precise (rounded only for display).
When is Femtogray to Attogray 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
Femtogray and Attogray 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 Femtogray = 1000 Attograys (equivalently 1 Attogray = 0.001 Femtograys), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.