Convert Decibels to Bels

Enter a value in decibels to convert it to bels. The result updates instantly and includes the formula and calculation steps.

Decibels to Bels calculator

to
dB
Bels
B

Decibels to Bels formula

Use this formula to convert decibels to bels:

Bels = Decibels * 0.1

Calculation

Enter a valid number above to see the formula with your value substituted step by step.

Decibels to Bels Conversion Table

Reference values for converting Decibels to Bels.

Decibels (dB)Bels (B)
0 dB0 B
1 dB0.1 B
10 dB1 B
45 dB4.5 B
90 dB9 B
180 dB18 B
360 dB36 B
1000 dB100 B

Worked example

Convert 85 Decibels to Bels

Bels = 85 × 0.1 = 8.5 Bels

About these units

Decibels

The decibel (dB) is a unit of measurement derived from the bel, representing one-tenth of a bel. It is widely used in acoustics, electronics, and telecommunications to express the ratio of power, intensity, or amplitude. Decibels provide a convenient way to compare different levels on a logarithmic scale, making them essential for measuring sound levels, signal strengths, and other quantities that vary over a wide range. The decibel scale is used in everyday contexts, from determining the volume of music to assessing noise pollution.

Bels

The bel (B) is a unit of measurement named after Alexander Graham Bell, used primarily in telecommunications and acoustics to express ratios of power or intensity. One bel represents a tenfold increase in power level. Although the bel is not commonly used in its full form due to its large size, it is fundamental in understanding logarithmic scales and is the basis for the more frequently used decibel. Bels are important in fields where comparing vast differences in intensity or power is necessary, such as in sound levels and signal strength.