Picogray is 1e-12 gray units.
Picogray to Quectogray
Convert Picogray (pGy) to Quectogray (qGy) 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
30+ categories
6,500+ units
Instant results
Offline ready
Converter
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.
Quectogray is 1e-30 gray units.
qGy = pGy × 1e+18
Results update instantly for Picogray to Quectogray conversions.
Reserved above the conversion cards and below the converter.
Formula
1 Picogray = 1e+18 Quectogray
qGy = pGy × 1e+18
pGy = qGy ÷ 1e+18
Conversion table
| 1 pGy | 1e+18 qGy |
| 2 pGy | 2e+18 qGy |
| 5 pGy | 5e+18 qGy |
| 10 pGy | 1e+19 qGy |
| 20 pGy | 2e+19 qGy |
| 50 pGy | 5e+19 qGy |
| 100 pGy | 1e+20 qGy |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many Quectograys are in one Picogray?
One Picogray equals 1e+18 Quectograys.
How do I convert Picogray to Quectogray?
Multiply the number of Picograys by 1e+18 to get Quectograys. To go the other way, multiply Quectograys by 1e-18 (or divide by 1e+18) to get Picograys.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Picogray and Quectogray, so the result shown is mathematically precise (rounded only for display).
When is Picogray to Quectogray 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
Picogray and Quectogray 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 Picogray = 1e+18 Quectograys (equivalently 1 Quectogray = 1e-18 Picograys), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.