# How loud is 75 decibels?

Pretty loud-that's about the output of the average car horn.

### How loud are decibels?

Decibels are simply a measure of loudness. The loudness of any sound - loud or not so loud - can be expressed in decibels. Decibels are simply a measure of loudness. The loudness of any sound - loud or not so loud - can be expressed in decibels. Decibels are simply a measure of loudness. The loudness of any sound - loud or not so loud - can be expressed in decibels. Decibels are simply…