Decibels to Nepers (dB to Np) Converter
1 neper = 8.686 dB. The neper uses natural logarithms and is common in telecom signal attenuation.
Formula:1 Np = 8.686 dB
Quick conversion table — Decibel to Neper
0.5 dB0.0575646 Np
1 dB0.115129 Np
2 dB0.230258 Np
5 dB0.575646 Np
10 dB1.1512925 Np
20 dB2.302585 Np
50 dB5.7564625 Np
100 dB11.512925 Np
500 dB57.564625 Np
1,000 dB115.12925 Np
How to convert db to np
To convert decibels to nepers, 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.