Decibel Calculator

Decibel Calculator calculator can be used to calculate the decibel level based on power or intensity.

Input Parameters

Calculation Results

Calculation Formula

LdB = 10 * log10(P / P₀)

Where:
LdB is the decibel level
P is the power in watts
P₀ is the reference power in watts

Decibel Calculator Calculator Usage Guide

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

How to Use the Decibel Calculator

The Decibel Calculator is used to calculate the decibel level (LdB) based on the power (P) and a reference power (P₀). Follow these steps to use the calculator:

  1. Enter the power in watts in the "Power" field.
  2. Enter the reference power in watts in the "Reference Power" field. The default reference power is 1 watt.
  3. Click the "Calculate" button to compute the decibel level.
  4. The decibel level will be displayed in the "Decibel Level (dB)" field.

Understanding Decibels

Decibels (dB) are a unit of measurement used to express the ratio of one value of a physical quantity to another, often times power or intensity. The formula used to calculate the decibel level is:

LdB = 10 * log10(P / P₀)

Where:

  • LdB is the decibel level
  • P is the power in watts
  • P₀ is the reference power in watts