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Decibel Power Gain Calculator — result sheet
Calculate power gain in decibels from output and input power.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Power gain in dB=10×log10(output power/input power).
The ratio convention is explicit so power gain is not confused with the 20-log voltage or amplitude convention.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Output power — minimum 1.0E-6; maximum 1000000000000
- Input power — minimum 1.0E-6; maximum 1000000000000
Worked example
| Input | Value |
|---|---|
| Output power | 10 |
| Input power | 1 |
Power gain =10 dB.
Assumptions and limits
- Input and output use the same power unit and are positive.
- The ratio describes the same measurement bandwidth and reference context.
- Impedance, noise, frequency response, and equipment safety are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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