-10 dBm to Watts
-10 dBm equals approximately 0.1 milliwatts (100 µW).
How to use this tool
- Enter power level in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your power and the full breakdown beneath it.
-10 dBm is a typical received signal strength for Wi-Fi and cellular signals in a well-covered area.
Frequently asked questions
- What is a typical Wi-Fi signal strength in dBm?
- -30 dBm is excellent (very close to the access point). -70 dBm is usable. Below -80 dBm connections become unreliable.
- What is the difference between dBm and dBW?
- Both are logarithmic power units. dBm references 1 mW; dBW references 1 W. dBW = dBm − 30. A 1 W transmitter is 30 dBm or 0 dBW.