How to use this converter
Choose your starting and destination units, then enter a value. Results update as you type. You can swap the direction and choose the displayed precision.
Example: Decibels to Bels
value × 0.1 = result
Here the starting unit is Decibels (dB) and the result is in Bels (B). The calculator uses the catalog’s full factors before rounding the displayed result.
Worked examples
- 1 dB ≈ 0.1 B
- 10 dB ≈ 1 B
- 100 dB ≈ 10 B
Available sound options
Decibels (dB) · Bels (B) · Nepers (Np)
Unit conventions
These are logarithmic level units. An absolute sound-pressure value requires a reference pressure.
Frequently asked questions
Why can displayed results differ slightly?
Numeric results are rounded for display. Increase the precision setting to see more digits. Different unit conventions can also produce different results; check the complete unit label.
Can I convert in the opposite direction?
Use the swap control to reverse the selected units or bases.