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... Decibel = ... Bel

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Decibel to Bel Converter

Use this page to convert decibel values into bel, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

1 dB = 0.1 B

1 B = 10 dB

Example: 8 dB = 0.8 B

Decibel

The most common unit for expressing sound level.

History: The decibel grew from telephone and audio engineering as a practical tenth-of-a-bel scale.

Current use: Acoustics, electronics, control theory.

Also written as dB, decibels, db.

Bel

A logarithmic unit used to express the ratio of a physical quantity to a specified or implied reference level.

History: Named after Alexander Graham Bell.

Current use: Rarely used directly; the decibel is much more common.

Also written as B, bels.

Decibel to Bel table

Decibel [dB]Bel [B]
0.01 dB0.001 B
0.1 dB0.01 B
1 dB0.1 B
2 dB0.2 B
5 dB0.5 B
10 dB1 B
20 dB2 B
50 dB5 B
100 dB10 B

Frequently asked questions

  • How many Bel (B) are in one Decibel (dB)?

    One Decibel equals 0.1 Bel.

  • How do you convert Decibel to Bel?

    Multiply the Decibel value by 0.1 to get the result in Bel.

  • How do you convert Bel back to Decibel?

    Multiply the Bel value by 10 to get back to Decibel.

  • What is 8 Decibel in Bel?

    8 Decibel equals 0.8 Bel.