Decibels to Bels calculator
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Decibels to Bels formula
Use this formula to convert decibels to bels:
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 dB | 0 B |
| 1 dB | 0.1 B |
| 10 dB | 1 B |
| 45 dB | 4.5 B |
| 90 dB | 9 B |
| 180 dB | 18 B |
| 360 dB | 36 B |
| 1000 dB | 100 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.
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