dBm Converter

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

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

Enter milliwatts:		mW
Enter watts:		W
Enter dBm:		dBm
Enter dBW:		dBW

dBm Converter

dBm is defined as power ratio in decibel (dB) referenced to one milliwatt (mW). It is an abbreviation for dB with respect to 1 mW and the "m" in dBm stands for milliwatt.

dBm or dBmW (decibel-milliwatts) is a unit of level used to indicate that a power level is expressed in decibels (dB) with reference to one milliwatt (mW). It is used in radio, microwave and fiber-optical communication networks as a convenient measure of absolute power because of its capability to express both very large and very small values in a short form compared to dBW, which is referenced to one watt (1000 mW).

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 ⋅ log₁₀( 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

dBm conversion calculator

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

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