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Unit converter

Sound Level Converter

Convert between decibels, bels, and nepers.

Nepers to Bels

100 Nepers = 86.85889638 Bels
86.85889638

About these units

Nepers

The neper is a logarithmic unit based on natural logarithms, used in engineering for ratios of amplitude. One neper ≈ 8.686 decibels.

Bels

The bel is the base logarithmic unit; one bel equals 10 decibels. The decibel is used in practice because it's a finer scale.

Conversion formula

To convert Neper to Bel, multiply the value by 0.8685889638.

Quick reference

NepersBels
10.8685889638
21.737177928
54.342944819
108.685889638
10086.85889638

Frequently asked questions

How many Bels are in one Neper?
1 Neper = 0.8685889638 Bels.
How many Nepers are in one Bel?
1 Bel = 1.151292547 Nepers.

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