As we know One dB is equal to 0.1 B (1 dB = 0.1 B).

To convert Decibel to Bel, multiply your dB figure by 0.1.

Example : convert 25 dB to B:

25 dB = 25 × 0.1 B = B

To convert Bel to Decibel, divide your B figure by 0.1.

Example : convert 25 B to dB:

25 B = 25 ÷ 0.1 dB = dB