24 Jan How to calculate dbm to watt
To calculate dBm to watts, you can use the following formula: Watts = 10 ((dBm – 30)/10)
This formula is based on the fact that dBm is a logarithmic measure of power, relative to a reference power level of 1 milliwatt (mW). To convert from dBm to watts, you simply need to use the inverse logarithm, which is the power of 10.
For example, if you have a signal level of -20 dBm, you can calculate the equivalent power in watts by plugging that value into the formula:
Watts = 10 ((-20 – 30)/10) = 10 (-50/10) = 10 (-5) = 0.00001 = 0.1 mW
It’s worth noting that dBm is commonly used in radio frequency (RF) measurements, where it’s used to express the power level of a signal relative to 1 milliwatt. It’s a dimensionless unit and will not change with the system or the units.