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Convert decibel to neper

Convert decibel (dB) to neper (Np) instantly. See the formula, a quick table and every other sound level and ratios unit. Free, no ads.

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Decibel to neper

1 dB = 0.11512925 Np. Multiply by 0.11512925. 1 Np = 8.6858896 dB.

decibel (dB)	neper (Np)
1	0.1151293
2	0.2302585
5	0.5756463
10	1.151293
20	2.302585
50	5.756463
100	11.51293
1,000	115.1293

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