dB Calculator
Input either a dB value or power ratio and hit 'enter' ('tab' if using Internet Explorer) to convert from one to the other.
dB:
Power Ratio:
The equation to get the dB value from a power ratio is:
The equation to get the power ratio from a dB value is:
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Fixed issue with power ratio to dB conversion
I fixed an issue with the conversion from power ratio to dB, caused by not all browsers supporting the JavaScript base-10 logarithm function yet.