Decibel Rule Calculator

Decibel Rule Calculator calculator can be used to calculate the sound level in decibels (dB) based on the intensity of the sound.

Input Parameters

Calculation Results

Calculation Formula

L = 10 log₁₀(I / I₀)

Where:
L = Sound level in decibels (dB)
I = Sound intensity in watts per square meter (W/m²)
I₀ = Reference intensity (10⁻¹² W/m²)

Decibel Rule Calculator Calculator Usage Guide

Learn how to use the Decibel Rule Calculator calculator and its working principles

How to Use the Decibel Rule Calculator

  1. Enter the sound intensity in watts per square meter (W/m²) in the input field.
  2. Click the "Calculate" button to compute the sound level in decibels (dB).
  3. The result will be displayed in the "Sound Level (dB)" field.
  4. If you need to start over, click the "Reset" button to clear all input fields.

Understanding Decibels

Decibels (dB) are a unit of measurement used to express the ratio of one value of a physical quantity to another, often used for sound intensity. The formula used to calculate the sound level in decibels is based on the logarithmic scale, which helps in dealing with the wide range of sound intensities that the human ear can perceive.

Example

If the sound intensity is 1e-10 W/m², the sound level in decibels would be calculated as follows:

L = 10 log₁₀(1e-10 / 1e-12) = 10 log₁₀(100) = 10 * 2 = 20 dB