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Decibel Converter — dB to voltage/power ratio 
Decibel Converter — Ratio to decibels
Decibel Converter
Convert between dB, voltage ratio and power ratio -the 20 log and 10 log scales side by side. · in Signal
Convert between dB, voltage ratio and power ratio -the 20 log and 10 log scales side by side. Exactly where level-calculation mistakes happen.
How to use
Two modes — dB → Ratio / Ratio → dB.
What it's for
Convert between dB, voltage ratio and power ratio.
You enter
- A dB value, or a ratio.
You get
- Both the voltage ratio and the power ratio — the 20 log and 10 log scales side by side, which is exactly where mistakes happen.