ConvertOnlineBels to Decibels calculator
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Bels to Decibels formula
Use this formula to convert bels to decibels:
Calculation
Enter a valid number above to see the formula with your value substituted step by step.
Bels to Decibels Conversion Table
Reference values for converting Bels to Decibels.
| Bels (B) | Decibels (dB) |
|---|---|
| 0 B | 0 dB |
| 1 B | 10 dB |
| 10 B | 100 dB |
| 45 B | 450 dB |
| 90 B | 900 dB |
| 180 B | 1800 dB |
| 360 B | 3600 dB |
| 1000 B | 10000 dB |
Worked example
Convert 1.5 Bels to Decibels
Decibels = 1.5 × 10 = 15 Decibels
About these units
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.
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.
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