dBm to Watts Converter

Convert dBm to watts, milliwatts and microwatts for RF and WiFi power.

Power (dBm):

Direction:

How to use

Enter dBm and see watts, mW and µW instantly.

What is 0 dBm in watts?

1 milliwatt. 30 dBm = 1 watt; every 3 dB roughly doubles power.

Why is WiFi measured in dBm?

dBm compresses a huge power range into small numbers — great for signal levels.

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