# dBm to watts conversion

Effortlessly convert dBm (decibel-milliwatts) to watts with our convenient dBm to Watts Conversion tool. Simply input the value in dBm, and our converter will provide you with the equivalent power in watts. Whether for telecommunications, RF engineering, or power calculations, our tool ensures accurate and quick conversions.

 Enter power in dBm: dBm Watts result: W

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## What is dBm to watts

To convert decibel-milliwatts (dBm) to watts, you can use the following formula:

watts = 10^((dBm - 30) / 10)

Where dBm is the value in decibel-milliwatts and watts is the value in watts.

For example, let's convert 20 dBm to watts:

watts = 10^((20 - 30) / 10) watts = 10^(-10 / 10) watts = 10^-1 watts = 0.1

Therefore, 20 dBm is equal to 0.1 watts.

Please note that in this formula, we subtract 30 from the dBm value to convert it to a ratio in milliwatts, and then take the base-10 exponent to obtain the result in watts.

## How to convert dBm to watts

The power conversion of dBm to watts is given by the formula:

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

### Example

Convert 43dBm to watts:

P(W) = 1W ⋅ 10(43dBm/ 10) / 1000 = 19.9526W

## dBm to watts conversion table

Power (dBm) Power (W)
-30 dBm 0.000001 W
-20 dBm 0.00001 W
-10 dBm 0.0001 W
0 dBm 0.001 W
1 dBm 0.0012589 W
2 dBm 0.0015849 W
3 dBm 0.0019953 W
4 dBm 0.0025119 W
5 dBm 0.0031628 W
6 dBm 0.0039811 W
7 dBm 0.0050119 W
8 dBm 0.0063096 W
9 dBm  0.0079433 W
10 dBm 0.01 W
20 dBm 0.1 W
30 dBm 1 W
40 dBm 10 W
50 dBm  100 W