How to Convert Decibels to Bels?

Answer Decibels, abbreviated dB, and bels, abbreviated B, are logarithmic measures of sound volume. Each time the sound increases by one bel, the sound is ten times louder. The prefix "deci-" means 10^-1,... Read More »

Top Q&A For: How to Convert Decibels to Bels

How to Teach Decibels?

Decibels (dB) are logarithmic units that describe ratios. They are commonly used to measure the motion of energy in sound levels, circuits and electrical power. Teaching about decibels involves hel... Read More »

How loud is 50 decibels?

Fifty decibels is a relatively low level of intensity to the human ear. It's comparable to the sound of a bird chirping from a distance of 10 feet. Normal human conversation falls in the decibel ra... Read More »

Measure Decibels?

Decibels are usually thought of as a way to measure how loud something is. While this is certainly 1 application of the decibel, it is far from the only use of a decibel. Decibels can measure power... Read More »

How do I calculate decibels?

Sound PerceptionReview the Weber-Fechner stimulus law, which states that the perceived change in a stimulus is proportional to the logarithm of the change in intensity of the stimulus. If the backg... Read More »