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Insertion Loss Calculator — result sheet
Calculate insertion loss in decibels and transmitted power percentage from input and output power.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Insertion loss = 10log₁₀(Pin/Pout); power transmission = 100Pout/Pin.
Insertion loss expresses the power ratio caused by placing a component into a signal path. A negative result indicates the supplied output power exceeds the input reference.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Input power — power units; minimum 1.0E-9; maximum 1000000000000
- Output power — power units; minimum 1.0E-9; maximum 1000000000000
Worked example
| Input | Value |
|---|---|
| Input power | 1 |
| Output power | 0.5 |
Insertion loss is about 3.01 dB and transmitted power is 50%.
Assumptions and limits
- Input and output powers use the same reference and bandwidth, and both are positive.
- The result treats the component as a two-point power comparison and does not infer impedance conditions.
- Frequency dependence, mismatch, phase, compression, and measurement uncertainty 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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