This tool converts from dBV/dBmV/dBuV/dBnV to dBm and Watt
Enter the dBV value and also the impedance. The default value is 50 ohm but it can be changed to any value.
Formula
dBm = dBV − 10*Log10(Z) + 30
This tool converts from dBV/dBmV/dBuV/dBnV to dBm and Watt
Enter the dBV value and also the impedance. The default value is 50 ohm but it can be changed to any value.
dBm = dBV − 10*Log10(Z) + 30