Decibel to Power Conversion Chart for the Radio Amateur
| dBW | Watts | Watts | dBW | |
| 0 | 1.0 | |||
| 1 | 1.3 | 1 | 0.0 | |
| 2 | 1.6 | 2 | 3.0 | |
| 3 | 2.0 | 3 | 4.8 | |
| 4 | 2.5 | 4 | 6.0 | |
| 5 | 3.2 | 5 | 7.0 | |
| 6 | 4.0 | 10 | 10.0 | |
| 7 | 5.0 | 15 | 11.8 | |
| 8 | 6.3 | 20 | 13.0 | |
| 9 | 7.9 | 30 | 14.8 | |
| 10 | 10.0 | 40 | 16 | |
| 11 | 12.6 | 50 | 17.0 | |
| 12 | 15.8 | 60 | 17.8 | |
| 13 | 20 | 70 | 18.5 | |
| 14 | 25.1 | 80 | 19.0 | |
| 15 | 31.6 | 90 | 19.5 | |
| 16 | 39.8 | 100 | 20.0 | |
| 17 | 50.1 | 120 | 20.8 | |
| 18 | 63.1 | 140 | 21.5 | |
| 19 | 79.4 | 160 | 22.0 | |
| 20 | 100 | 180 | 22.6 | |
| 21 | 125.9 | 200 | 23.0 | |
| 22 | 158.5 | 240 | 23.8 | |
| 23 | 199.5 | 280 | 24.5 | |
| 24 | 251.2 | 320 | 25.1 | |
| 25 | 316.2 | 360 | 25.6 | |
| 26 | 398.1 | 400 | 26.0 |
