RF Unit Converter

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Converts between different units used in radio frequency engineering, including dBm, Watts, and Volts.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Power (dBm) and Impedance (Ohms) in the units shown.

Step 2

Read Power (Watts) and Voltage (Volts) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Power (dBm): 0 dBm; Impedance (Ohms): 50 Ω

Power (Watts): 0.001 W; Voltage (Volts): 0.2236067977 V

Power (dBm): 10 dBm; Impedance (Ohms): 50 Ω

Power (Watts): 0.01 W; Voltage (Volts): 0.7071067812 V

Power (dBm): 20 dBm; Impedance (Ohms): 50 Ω

Power (Watts): 0.1 W; Voltage (Volts): 2.236067977 V

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