Sound Converter
Adjust the numbers below — results update instantly
bel (B)
decibel (dB)
neper (Np)
bel (B) (1)
decibel (dB) (10)
neper (Np) (1.151278)
Result: 1 B = 10 dB
1B × (1 / 0.1) = 10dB
Full list of Sound units with conversion links and formulas
Bel [B] is the base unit for Sound.
- 1 decibel [dB] = 0.1 bel [B]
- 1 neper [Np] = 0.8686000004 bel [B]