- dBm definition
- dBm to Watt, mW, dBW conversion calculator
- How to convert mW to dBm
- How to convert dBm to mW
- How to convert Watt to dBm
- How to convert dBm to Watt
- How to convert dBW to dBm
- How to convert dBm to dBW
- How to convert dB to dBm
- dBm to Watt, mW, dBW conversion table

dBm or *decibel-milliwatt* is an electrical power unit in decibels (dB), referenced to 1 milliwatt (mW).

The power in decibel-milliwatts (*P*_{(dBm)}) is equal to 10 times base 10 logarithm of the power in milliwatts (*P*_{(mW)}):

*P*_{(dBm)} = 10 ⋅ log_{10}( *P*_{(mW)} / 1mW)

The power in milliwatts (*P*_{(mW)}) is equal to 1mW times 10 raised by the power in decibel-milliwatts (*P*_{(dBm)}) divided by 10:

*P*_{(mW)} = 1mW ⋅ 10^{(P}(dBm)^{ / 10)}

1 milliwatt is equal to 0 dBm:

1mW = 0dBm

1 watt is equal to 30dBm:

1W = 1000mW = 30dBm

Convert decibel-milliwatts to milliwatts, watts, decibel-watts.

Enter the power in one of the text boxes and press the *Convert* button:

How to convert power in milliwatts (mW) to dBm.

The power in dBm is equal to the base 10 logarithm of the power in milliwatts (mW):

*P*_{(dBm)} = 10 ⋅ log_{10}( *P*_{(mW)} / 1mW)

For example: what is the power in dBm for power consumption of 100mW?

Solution:

*P*_{(dBm)} = 10 ⋅ log_{10}( 100mW / 1mW) = 20dBm

How to convert power in dBm to milliwatts (mW).

The power in milliwatts (*P*_{(mW)}) is equal to 10 raised by the power in dBm (*P*_{(dBm)}) divided by 10?

*P*_{(mW)} = 1mW ⋅ 10^{(P}(dBm)^{ / 10)}

For example: what is the power in milliwatts for power consumption of 20dBm?

Solution:

*P*_{(mW)} = 1mW ⋅ 10^{(20dBm} ^{/ 10)} = 100mW

How to convert power in watts (W) to dBm.

The power in dBm is equal to the base 10 logarithm of the power in watts (W) plus 30dB:

*P*_{(dBm)} = 10 ⋅ log_{10}( *P*_{(W)} / 1W) + 30

For example: what is the power in dBm for power consumption of 100W?

Solution:

*P*_{(dBm)} = 10 ⋅ log_{10}( 100W / 1W_{
}) + 30 = 50dBm

How to convert power in dBm to watts (W).

The power in watts (*P*_{(W)}) is equal to 10 raised by the power in dBm
(*P*_{(dBm)}) minus 30dB divided by 10:

*P*_{(W)} = 1W ⋅ 10^{( (P}(dBm)^{- 30) / 10)}

For example: what is the power in watts for power consumption of 40dBm?

Solution:

*P*_{(W)} = 1W ⋅ 10^{( (40dBm - 30)} ^{/ 10)} = 10W

How to convert power in dBW to dBm.

The power in dBm is equal to the base 10 logarithm of the power in watts (W):

*P*_{(dBm)} = *P*_{(dBW)} + 30

For example: what is the power in dBm for power consumption of 20dBW?

Solution:

*P*_{(dBm)} = 20dBW + 30 = 50dBm

How to convert power in dBm to dBW.

The power in dBW (*P*_{(dBW)}) is equal to 10 raised by the power in dBm
(*P*_{(dBm)}) divided by 10:

*P*_{(dBW)} = *P*_{(dBm)} - 30

For example: what is the power in watts for power consumption of 40dBm?

Solution:

*P*_{(dBW)} = 40dBm - 30 = 10dBW

dB is a relative unit that describes gain and dBm is an absolute unit referenced to 1 milliwatt (mW).

So you can't convert dB to dBm.

Power (dBm) | Power (dBW) | Power (watt) | Power (mW) |
---|---|---|---|

-100 dBm | -130 dBW | 0.1 pW | 0.0000000001 mW |

-90 dBm | -120 dBW | 1 pW | 0.000000001 mW |

-80 dBm | -110 dBW | 10 pW | 0.00000001 mW |

-70 dBm | -100 dBW | 100 pW | 0.0000001 mW |

-60 dBm | -90 dBW | 1 nW | 0.000001 mW |

-50 dBm | -80 dBW | 10 nW | 0.00001 mW |

-40 dBm | -70 dBW | 100 nW | 0.0001 mW |

-30 dBm | -60 dBW | 1 μW | 0.001 mW |

-20 dBm | -50 dBW | 10 μW | 0.01 mW |

-10 dBm | -40 dBW | 100 μW | 0.1 mW |

-1 dBm | -31 dBW | 794 μW | 0.794 mW |

0 dBm | -30 dBW | 1.000 mW | 1.000 mW |

1 dBm | -29 dBW | 1.259 mW | 1.259 mW |

10 dBm | -20 dBW | 10 mW | 10 mW |

20 dBm | -10 dBW | 100 mW | 100 mW |

30 dBm | 0 dBW | 1 W | 1000 mW |

40 dBm | 10 dBW | 10 W | 10000 mW |

50 dBm | 20 dBW | 100 W | 100000 mW |

60 dBm | 30 dBW | 1 kW | 1000000 mW |

70 dBm | 40 dBW | 10 kW | 10000000 mW |

80 dBm | 50 dBW | 100 kW | 100000000 mW |

90 dBm | 60 dBW | 1 MW | 1000000000 mW |

100 dBm | 70 dBW | 10 MW | 10000000000 mW |

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- Ampere (A)
- dB-milliwatt (dBm)
- dB-watt (dBW)
- Decibel (dB)
- Farad (F)
- Kilovolt-amp (kVA)
- Kilowatt (kW)
- Kilowatt-hour (kWh)
- Ohm (Ω)
- Volt (V)
- Watt (W)