Table Of Contents
Decibel to bel Conversion
1 decibel (dB) is equal to 0.1 bel (B).
1 dB = 0.1 B
or
1 B = 10 dB
Formula
To convert a sound level from decibel (dB) to bel (B), divide the sound level in decibel by 10
s(B) = s(dB) / 10
Examples:
Convert 500 decibel to bel:
s(B) = 500dB / 10 = 50 B
Conversion table
| Decibel (dB) | Bel (B) |
|---|---|
| 1 dB | 0.1 B |
| 2 dB | 0.2 B |
| 3 dB | 0.3 B |
| 5 dB | 0.5 B |
| 10 dB | 1 B |
| 20 dB | 2 B |
| 25 dB | 2.5 B |
| 50 dB | 5 B |
| 100 dB | 10 B |
| 250 dB | 25 B |
| 500 dB | 50 B |
| 1000 dB | 100 B |
| Bel (B) | Decibel (dB) |
|---|---|
| 1 B | 10 dB |
| 2 B | 20 dB |
| 3 B | 30 dB |
| 5 B | 50 dB |
| 10 B | 100 dB |
| 20 B | 200 dB |
| 25 B | 250 dB |
| 50 B | 500 dB |
| 100 B | 1000 dB |
| 250 B | 2500 dB |
| 500 B | 5000 dB |
| 1000 B | 10000 dB |
Frequently asked questions
How do I convert decibel to bel?
Divide the value in decibel by 10 to get the result in bel. For example, 5 dB ÷ 10 = 0.5 B.
How many bel are in 1 decibel?
1 decibel (dB) is equal to 0.1 bel (B).
How do I convert bel back to decibel?
Use the inverse operation: multiply the value in bel by 10 to get the result in decibel.
How accurate is the decibel to bel conversion?
The converter multiplies by the conversion factor 10 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
