Unit Converter: Sound level

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Conversion table

#

Unit

SI Base Unit (dB)

1

Decibel (dB)

1.0 1 dB = 1.0 dB

2

Neper (Np)

8.685889638065035 1 Np = 8.685889638065035 dB

3

Bel (B)

10.0 1 B = 10.0 dB

Sources

Conversion factors are based on internationally recognised standards:

ISO 80000-3 — Quantities and units, Part 3: Space and time (level quantities: bel, neper)
NIST SP 811 — Guide for the Use of the International System of Units (SI)

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