Decibel-milliwatts (dBm) to watts (W), power conversion calculator and how to convert.
dBm to watts conversion calculator
Decibel-milliwatts (dBm) to watts (W), power conversion calculator.
Enter the power in dBm and press the Convert button:
Watts to dBm conversion calculator ►
How to convert dBm to watts
1dBm = 0.001258925W
So 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 |