Nepers to Decibels Converter
1 neper = 8.686 dB. The neper uses natural logarithms and is preferred in European telecom.
Formula:1 Np = 8.686 dB
Quick conversion table — Neper to Decibel
0.5 Np4.342945 dB
1 Np8.68589 dB
2 Np17.37178 dB
5 Np43.42945 dB
10 Np86.8589 dB
20 Np173.7178 dB
50 Np434.2945 dB
100 Np868.589 dB
500 Np4,342.945 dB
1,000 Np8,685.89 dB
How to convert np to db
To convert nepers to decibels, use the formula: 1 Np = 8.686 dB. Simply enter the value you want to convert in the field above and the result appears instantly. You can also type in the result field to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000). Results are accurate to 8 significant figures.
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