| GigagrayGandaan dan subganda gigagray | |
|      | 
| 1 yoctogray = 1.0 x 10-33 gigagray | 
| 1 zeptogray = 1.0 x 10-30 gigagray | 
| 1 attogray = 1.0 x 10-27 gigagray | 
| 1 femtogray = 1.0 x 10-24 gigagray | 
| 1 pikogray = 1.0 x 10-21 gigagray | 
| 1 nanogray = 1.0 x 10-18 gigagray | 
| 1 mikrgray = 1.0 x 10-15 gigagray | 
| 1 miligray = 1.0 x 10-12 gigagray | 
| 1 sentigray = 1.0 x 10-11 gigagray | 
| 1 desigray = 1.0 x 10-10 gigagray | 
| 1 gray = 1.0 x 10-9 gigagray | 
| 1 dekagray = 1.0 x 10-8 gigagray = 0.00000001 gigagray | 
| 1 hektogray = 1.0 x 10-7 gigagray = 0.0000001 gigagray | 
| 1 kilogray = 1.0 x 10-6 gigagray = 0.000001 gigagray | 
| 1 megagray = 1.0 x 10-3 gigagray = 0.001 gigagray | 
| gigagray | 
| 1 teragray = 1.0 x 103 gigagray = 1000 gigagray | 
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