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Sound Converter
Decibel, bel, neper
Sound Converter
About the sound converter
This converter handles 5 sound units. Enter a value in either field and the other updates instantly — there is no button to press and nothing to submit. Use the swap control to reverse the direction of the conversion.
All factors are stored against a single base unit
(
Decibel) and applied in one step, so converting A → B
never accumulates rounding error from an intermediate hop.Quick reference table
| Decibel | Neper |
|---|---|
| 1 dB | 0.1151292546 Np |
| 2 dB | 0.2302585093 Np |
| 5 dB | 0.5756462732 Np |
| 10 dB | 1.151292546 Np |
| 20 dB | 2.302585093 Np |
| 50 dB | 5.756462732 Np |
| 100 dB | 11.51292546 Np |
| 500 dB | 57.56462732 Np |
| 1000 dB | 115.1292546 Np |
All 5 units
| Unit | Equals in Decibel |
|---|---|
| Decibel (dB) | 1 |
| Bel (B) | 10 |
| Neper (Np) | 8.685889638 |
| Decineper (dNp) | 0.8685889638 |
| Centineper (cNp) | 0.0868588964 |