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Electrical Engineering
dB / dBm / dBW Converter
Convert between dBm, dBW, watts, and milliwatts. Enter a value in any unit and get all equivalents instantly.
Enter a value above to see all conversions.
Reference
| dBm | dBW | Watts | Milliwatts |
|---|---|---|---|
| +30 dBm | 0 dBW | 1 W | 1000 mW |
| +20 dBm | −10 dBW | 100 mW | 100 mW |
| +10 dBm | −20 dBW | 10 mW | 10 mW |
| 0 dBm | −30 dBW | 1 mW | 1 mW |
| −10 dBm | −40 dBW | 0.1 mW | 0.1 mW |