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Radiation Dose

cGytokrad

Convert centigrays (cGy) to kilorads (krad).

Factor1 cGy = 0.001 krad

Converter

cGy

Accepts numbers or expressions, e.g. 150 + 14.7

Result
1krad

Rendered to 6 significant figures.

Formula

Formula
krad = cGy × 0.001

Multiply any value in centigrays by 0.001 to obtain the value in kilorads.

Worked example

Convert 1000 cGy to krad.

  1. 01Start with 1000 cGy.
  2. 02Multiply by the conversion factor: 1000 × 0.001 = 1 krad.
Result1000 cGy = 1 krad

Conversion table

cGykrad
10.001
20.002
50.005
100.01
200.02
500.05
1000.1
2000.2
5000.5
10001

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from cGy to krad?
1 cGy equals 0.001 krad. To convert, multiply the value in centigrays by 0.001.
How do I convert 1 cGy to krad?
1 cGy = 0.001 krad. For any value, multiply by 0.001.
How do I convert krad back to cGy?
Divide by the same factor — or equivalently, multiply by 1000. So 1 krad = 1000 cGy.
When would I need to convert centigray to kilorad?
Radiation absorbed-dose conversions between cGy and krad are used in radiological protection, medical physics, and nuclear-industry health physics. Gray (Gy) is the SI standard; rad remains common in older US health-physics documentation (1 Gy = 100 rad).
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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