dBm, mW, Watt and dB Converter

Convert power between dBm, milliwatts, and watts, and convert a dB gain or loss to a linear ratio and back. All fields update each other live.

Power: dBm, mW, W

dBm

Gain / loss: dB and linear ratio

Linear power ratio

Common ISP RF power levels

Reference	dBm	Power
MikroTik default TX	20-23 dBm	100-200 mW
Cambium PTP typical	23 dBm	200 mW
Ubiquiti AirMax typical	27 dBm	500 mW
EIRP limit 5 GHz Pakistan	Check current Frequency Allocation Board (FAB) limits

RF Power

Designing a wireless link?

Use our Link Budget Calculator to turn these power figures into a full path calculation, or have Network Design and Optimization review your wireless design.

Link Budget Calculator Network Design