How to Convert Watts to dBm
Converting watts to dBm expresses RF power in logarithmic units. The formula is: dBm = 10 x log₁₀(watts x 1000).
For example, 1 watt = 30 dBm. The logarithmic scale makes it easier to compare very different power levels and perform gain/loss calculations.
This conversion is standard in wireless communications, antenna systems, and RF engineering.
Quick Tips
- 1 mile = 1.609 km (miles are bigger)
- 1 kg = 2.205 lbs (roughly double + 10%)
- Temperature: (°F - 32) × 5/9 = °C
Frequently Asked Questions
1 watt equals 30 dBm.
1 milliwatt equals 0 dBm (by definition).
They simplify calculations and handle very wide power ranges.
3 dB represents approximately doubling or halving of power.