| Watt(s) value | |
| To | Swap |
| Result dbm |
To convert a power level in watts to decibels relative to 1 milliwatt (dBm), you can use the formula:
dBm = 10 * log10(power (in watts) / 1 milliwatt)
For example, to convert a power level of 10 watts to dBm:
dBm = 10 * log10(10 watts / 1 milliwatt) = 10 * log10(10000 milliwatts) = 10 * 4 = 40 dBm
To convert a power level in dBm to watts, you can use the formula:
power (in watts) = 1 milliwatt * 10^(dBm / 10)
For example, to convert a power level of 40 dBm to watts:
power (in watts) = 1 milliwatt * 10^(40 dBm / 10) = 1 milliwatt * 10^4 = 10000 milliwatts = 10 watts
Note that the decibel (dB) is a unit of measure used to express the ratio of two quantities, such as power levels, on a logarithmic scale. The dB is often used in telecommunications and other fields to represent power levels and signal-to-noise ratios.