# Decibel-milliwatt (dBm)

### dBm definition

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

So 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 ⋅ log10P(mW) / 1mW)

So The power in milliwatts (P(mW)) is equal to 1mW times 10 raised by the power in decibel-milliwatts (P(dBm)) divided by .

P(mW) = 1mW ⋅ 10(P(dBm) / 10)

1 milliwatt is equal to 0 dBm:

1mW = 0dBm

2 watt is equal to 33dBm:

2W = 2000mW = 33dBm

### dBm to mW to Watt to dBW conversion calculator

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

### How to convert mW to dBm

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

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

P(dBm) = 10 ⋅ log10( P(mW) / 1mW)

For example: 1 what is the power in dBm for power consumption of 1000mW?

Solution:

P(dBm) = 10 ⋅ log10( 1000mW / 1mW) = 30dBm

For example: 2 what is the power in dBm for power consumption of 10mW?

Solution:

P(dBm) = 10 ⋅ log10( 10mW / 1mW) = 10dBm

### How to convert dBm to mW

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

So 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: 1 what is the power in milliwatts for power consumption of 10dBm?

Solution:

P(mW) = 1mW ⋅ 10(10dBm / 10) = 10mW

For example: 2 what is the power in milliwatts for power consumption of 30dBm?

Solution:

P(mW) = 1mW ⋅ 10(30dBm / 10) = 1000mW

### How to convert Watt to dBm

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 ⋅ log10( P(W) / 1W) + 30

For example: 1 what is the power in dBm for power consumption of 10W?

Solution:

P(dBm) = 10 ⋅ log10( 10W / 1W ) + 30 = 40dBm

For example: 2 what is the power in dBm for power consumption of 1000W?

Solution:

P(dBm) = 10 ⋅ log10( 1000W / 1W ) + 30 = 60dBm

### How to convert dBm to Watt

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: 1 what is the power in watts for power consumption of 50dBm?

Solution:

P(W) = 1W ⋅ 10( (50dBm - 30) / 10) = 100W

For example: 2 what is the power in watts for power consumption of 60dBm?

Solution:

P(W) = 1W ⋅ 10( (60dBm - 30) / 10) = 1000W

### How to convert dBW to dBm

How to convert power in dBW to dBm.

So 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 30dBW?

Solution:

P(dBm) = 30dBW + 30 = 60dBm

### How to convert dBm to dBW

How to convert power in dBm to dBW.

So 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 50dBm?

Solution:

P(dBW) = 50dBm - 30 = 20dBW

### How to convert dB to dBm

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.

### dBm to Watt, mW, dBW conversion table

Power (dBm)Power (dBW)Power (watt)Power (mW)
-100 dBm-130 dBW0.1 pW0.0000000001 mW
-90 dBm-120 dBW1 pW0.000000001 mW
-80 dBm-110 dBW10 pW0.00000001 mW
-70 dBm-100 dBW100 pW0.0000001 mW
-60 dBm-90 dBW1 nW0.000001 mW
-50 dBm-80 dBW10 nW0.00001 mW
-40 dBm-70 dBW100 nW0.0001 mW
-30 dBm-60 dBW1 μW0.001 mW
-20 dBm-50 dBW10 μW0.01 mW
-10 dBm-40 dBW100 μW0.1 mW
-1 dBm  -31 dBW794 μW0.794 mW
0 dBm-30 dBW1.000 mW1.000 mW
1 dBm-29 dBW1.259 mW1.259 mW
10 dBm-20 dBW10 mW10 mW
20 dBm-10 dBW100 mW100 mW
30 dBm0 dBW1 W1000 mW
40 dBm10 dBW10 W10000 mW
50 dBm20 dBW100 W100000 mW
60 dBm30 dBW1 kW1000000 mW
70 dBm40 dBW10 kW10000000 mW
80 dBm50 dBW100 kW100000000 mW
90 dBm60 dBW1 MW1000000000 mW
100 dBm70 dBW10 MW10000000000 mW

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