Femtogray is 1e-15 gray units.
Femtogray to Rontogray
Convert Femtogray (fGy) to Rontogray (rGy) 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.
Rontogray is 1e-27 gray units.
rGy = fGy × 1e+12
Results update instantly for Femtogray to Rontogray conversions.
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Formula
1 Femtogray = 1e+12 Rontogray
rGy = fGy × 1e+12
fGy = rGy ÷ 1e+12
Conversion table
| 1 fGy | 1e+12 rGy |
| 2 fGy | 2e+12 rGy |
| 5 fGy | 5e+12 rGy |
| 10 fGy | 1e+13 rGy |
| 20 fGy | 2e+13 rGy |
| 50 fGy | 5e+13 rGy |
| 100 fGy | 1e+14 rGy |
Related conversions
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Frequently asked questions
How many Rontograys are in one Femtogray?
One Femtogray equals 1e+12 Rontograys.
How do I convert Femtogray to Rontogray?
Multiply the number of Femtograys by 1e+12 to get Rontograys. To go the other way, multiply Rontograys by 1e-12 (or divide by 1e+12) to get Femtograys.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Femtogray and Rontogray, so the result shown is mathematically precise (rounded only for display).
When is Femtogray to Rontogray 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 Rontogray 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 = 1e+12 Rontograys (equivalently 1 Rontogray = 1e-12 Femtograys), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.