# Decibel-Watt (dBW)

### dBW definition

dBW or decibel-watt is a unit of power in decibel scale, referenced to 1 watt (W).

The power in decibel-watts (P(dBW)) is equal to 10 times base 10 logarithm of the power in watts (P(W)):

P(dBW) = 10 ⋅ log10( P(W) / 1W)

The power in watts (P(W)) is equal to 10 raised by the power in decibel-watts (P(dBW)) divided by 10:

P(W) = 1W ⋅ 10(P(dBW)/ 10)

1 watt is equal to 0 dBW:

1W = 0dBW

1 milliwatt is equal to -30dBW:

1mW = 0.001W = -30dBW

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

Convert dBW to dBm, watt, milliwatt.

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 dBW to Watt

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

So The power in watts (P(W)) is equal to 10 raised by the power in dBW (P(dBW)) divided by 10.

P(W) = 1W ⋅ 10(P(dBW)/ 10)

#### Example 1

what is the power in watts for power consumption of 10dBW?

Solution:

P(W) = 1W ⋅ 10(10dBW / 10) = 10W

#### Example 2

what is the power in watts for power consumption of 30dBW?

Solution:

P(W) = 1W ⋅ 10(30dBW / 10) = 1000W

### How to convert Watt to dBW

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

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

P(dBW) = 10 ⋅ log10( P(W) / 1W)

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

Solution:

P(dBW) = 10 ⋅ log10( 10W / 1W) = 10dBW

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

Solution:

P(dBW) = 10 ⋅ log10( 1000W / 1W) = 30dBW

### How to convert dBW to dBm

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

Solution:

P(dBm) = 10dBW + 30 = 40dBm

For example: 2 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.

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

Solution:

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

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

Solution:

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

### dBW to dBm, Watt conversion table

Power (dBW) Power (dBm) Power (Watt)
-130 dBW -100 dBm 0.1 pW
-120 dBW -90 dBm 1 pW
-110 dBW -80 dBm 10 pW
-100 dBW -70 dBm 100 pW
-90 dBW -60 dBm 1 nW
-80 dBW -50 dBm 10 nW
-70 dBW -40 dBm 100 nW
-60 dBW -30 dBm 1 μW
-50 dBW -20 dBm 10 μW
-40 dBW -10 dBm 100 μW
-30 dBW 0 dBm 1 mW
-20 dBW 10 dBm 10 mW
-10 dBW 20 dBm 100 mW
-1 dBW 29 dBm 0.794328 W
0 dBW 30 dBm 1.000000 W
1 dBW 31 dBm 1.258925 W
10 dBW 40 dBm 10 W
20 dBW 50 dBm 100 W
30 dBW 60 dBm 1 kW
40 dBW 70 dBm 10 kW
50 dBW 80 dBm 100 kW
60 dBW 90 dBm 1 MW
70 dBW 100 dBm 10 MW
80 dBW 110 dBm 100 MW
90 dBW 120 dBm 1 GW
100 dBW 130 dBm 10 GW

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