A conversion table of dBm, dBW and power is given below:
| dBm | dBW | Watts | Terminology |
| +100 | +70 | 10 000 000 | 10 Megawatts |
| +90 | +60 | 1 000 000 | 1 Megawatt |
| +80 | +50 | 100 000 | 100 kilowatts |
| +70 | +40 | 10 000 | 10 kilowatts |
| +60 | +30 | 1 000 | 1 kilowatt |
| +50 | +20 | 100 | 100 watts |
| +40 | +10 | 10 | 10 watts |
| +30 | 0 | 1 | 1 watt |
| +20 | -10 | 0.1 | 100 milliwatts |
| +10 | -20 | 0.01 | 10 milliwatts |
| 0 | -30 | 0.001 | 1 milliwatt |
| -10 | -40 | 0.0001 | 100 microwatts |
| -20 | -50 | 0.00001 | 10 microwatts |
| -30 | -60 | 0.000001 | 1 microwatt |
| -40 | -70 | 0.0000001 | 100 nanowatts |
| -50 | -80 | 0.00000001 | 10 nanowatts |
| -60 | -90 | 0.000000001 | 1 nanowatt |