# Decibel, dB Calculator

### Calculate values of decibels, dB using our simple to use online calculator from values of input and output

**Decibels, dB Tutorial Includes:**

Decibels, dB - the basics
Decibels levels table
dBm to dBW & power conversion chart
dBm to watts and volts conversion chart
dB, decibel online calculator
Nepers

The calculation of decibels requires the use of logarithms. Tables of other calculators may not always be available and the calculator below provides a very easy method of calculating a value in decibels from a knowledge of the input and output power levels.

Simply enter the values for the input and output levels into the decibel calculator, press calculate, and the calculated answer will be provided.

## Decibel calculator for power levels

To use the calculator, enter the values of the input and output power levels and then click 'Calculate' and the decibel result will be calculated and presented in the output box.

** Decibel Calculator for Power Levels**

**Decibel Calculator for Power Levels**

The decibel, dB calculator enables values of decibels to be calculated on-line from a knowledge of the input and output power levels.

**More Basic Electronics Concepts:**

Voltage
Current
Power
Resistance
Capacitance
Inductance
Transformers
Decibel, dB
Kirchoff's Laws
Q, quality factor
RF noise
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