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Bel to Decibel Converter

Convert Bels to Decibels

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How to Convert Bels to Decibels

Converting bels (B) to decibels (dB) is a straightforward process, as a decibel is simply one-tenth of a bel.

Formula

Decibels = Bels × 10

or

dB = B × 10

Step-by-step process

  1. Take the measurement in bels
  2. Multiply that number by 10
  3. The result is the equivalent amount in decibels

Examples

  • 1 B = 10 dB
  • 2 B = 20 dB
  • 0.5 B = 5 dB

When to Convert Bels to Decibels

This conversion is useful in acoustics, electronics, and telecommunications, where both decibels and bels are used to express ratios of power or intensity.

Common Bels to Decibels Conversions

Here is a table of common bel to decibel conversions for quick reference:

Bels (B) Decibels (dB) Bels (B) Decibels (dB)
1 10 100 1,000
0.1 1 0.01 0.1
0.5 5 5 50
10 100 1000 10,000

Frequently Asked Questions

What is a Bel (B)?

The bel (B) is a logarithmic unit of measurement that expresses the ratio of two values of a power or root-power quantity. It is ten times larger than a decibel.

What is a Decibel (dB)?

The decibel (dB) is a logarithmic unit used to express the ratio of two values of a physical quantity, often power or intensity. It is one-tenth of a bel.