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Power Gain Calculator

Compute power gain G = 10·log₁₀(Pout/Pin) in decibels.

Input Data

Input Input Pᵢₙ.
W
Input Output Pₒᵤₜ.
W

Results

10dB
Power gain G = 10·log₁₀(Pout/Pin).

At a glance:Power Gain Calculator: enter parameters to compute results; complements related calculators.

Formula

G(dB) = 10 · log₁₀(Pout / Pin).

How to Use

  1. Enter Pin, Pout.
  2. It returns power gain (dB).

Case Studies

10× power → +10 dB

Every 10× power is +10 dB.

FAQ

vs voltage gain?

Voltage gain uses 20·log₁₀; for the same ratio it reads 10 dB higher.

Related Tools

References

Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Power Gain Calculator/signal/power-gain-db)。