Radioactivity is the process by which an unstable atomic nucleus loses energy by radiation. It is measured in becquerels (Bq).
1 FP = 1 Gy 
1 Gy = 1 FP 
उदाहरण: 
कन्वर्ट 15 Fission Products से Gray:
15 FP = 15 Gy 
| Fission Products | Gray | 
|---|---|
| 0.01 FP | 0.01 Gy | 
| 0.1 FP | 0.1 Gy | 
| 1 FP | 1 Gy | 
| 2 FP | 2 Gy | 
| 3 FP | 3 Gy | 
| 5 FP | 5 Gy | 
| 10 FP | 10 Gy | 
| 20 FP | 20 Gy | 
| 30 FP | 30 Gy | 
| 40 FP | 40 Gy | 
| 50 FP | 50 Gy | 
| 60 FP | 60 Gy | 
| 70 FP | 70 Gy | 
| 80 FP | 80 Gy | 
| 90 FP | 90 Gy | 
| 100 FP | 100 Gy | 
| 250 FP | 250 Gy | 
| 500 FP | 500 Gy | 
| 750 FP | 750 Gy | 
| 1000 FP | 1,000 Gy | 
| 10000 FP | 10,000 Gy | 
| 100000 FP | 100,000 Gy |