4 Bels to Decibels
Convert 4 bels (B) to decibels (dB) with formulas, examples, and conversion tables.
B
dB
4 B = 40 dB
Full precision:40 dB
Step-by-Step Solution
To convert 4 bels to decibels, we multiply by 10 because one bel equals exactly 10 decibels.
1 bel = 10 decibels
Since each bel contains 10 decibels, we multiply our value by this factor:
4 × 10 = 40 decibels
So 4 bels = 40 decibels.
Quick check: 40 ÷ 10 = 4 bels
Bels to Decibels Conversion Table
| Bels | Decibels |
|---|---|
| 1 B | 10 dB |
| 2 B | 20 dB |
| 3 B | 30 dB |
| 4 B | 40 dB |
| 5 B | 50 dB |
| 10 B | 100 dB |
| 20 B | 200 dB |
| 50 B | 500 dB |
| 100 B | 1000 dB |
4 Bels in Other Units
| Unit | 4 B = |
|---|---|
| Bels to Decibels | 40 dB |
| Bels to Nepers | 4.6051 Np |
| Bels to Pascals | 2000000 Pa |
| Bels to Micropascals | 40 μPa |
| Bels to W/m² | 4e-11 W/m² |