Power & Unit Conversions
Watts to dBm Calculator
Convert a power in watts, milliwatts or kilowatts to dBm and dBW.
Result
Enter the inputs above and select Calculate.
Formula: P(dBm) = 10 · log₁₀(P(W)) + 30
Power & Unit Conversions
Convert a power in watts, milliwatts or kilowatts to dBm and dBW.
Result
Enter the inputs above and select Calculate.
Formula: P(dBm) = 10 · log₁₀(P(W)) + 30