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