Quectogray is 1e-30 gray units.
Quectogray to Gray
Convert Quectogray (qGy) to Gray (Gy) instantly. Free online radiation converter with formulas, tables and examples.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
Converter
Radiation Converter
Convert radioactivity, absorbed dose, and equivalent dose units by compatible radiation family.
Gray is absorbed dose in joules per kilogram.
Gy = qGy × 1e-30
Results update instantly for Quectogray to Gray conversions.
Reserved above the conversion cards and below the converter.
Formula
1 Quectogray = 1e-30 Gray
Gy = qGy × 1e-30
qGy = Gy ÷ 1e-30
Conversion table
| 1 qGy | 1e-30 Gy |
| 2 qGy | 2e-30 Gy |
| 5 qGy | 5e-30 Gy |
| 10 qGy | 1e-29 Gy |
| 20 qGy | 2e-29 Gy |
| 50 qGy | 5e-29 Gy |
| 100 qGy | 1e-28 Gy |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many Grays are in one Quectogray?
One Quectogray equals 1e-30 Grays.
How do I convert Quectogray to Gray?
Multiply the number of Quectograys by 1e-30 to get Grays. To go the other way, multiply Grays by 1e+30 (or divide by 1e-30) to get Quectograys.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Quectogray and Gray, so the result shown is mathematically precise (rounded only for display).
When is Quectogray to Gray conversion commonly used?
It is commonly used in nuclear medicine, radiation safety, health physics, and scientific research involving radioactivity and radiation dose.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
Quectogray and Gray 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 Quectogray = 1e-30 Grays (equivalently 1 Gray = 1e+30 Quectograys), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.