Lighting Costs Comparision Calculator

Energy efficient lamps for lighting are very popular. They certainly cost less to run than conventional lamps. But how much do you really save,...

Amplifier Power and Volume Calculator

How much do you need to increase the gain of an amplifier to make it sound twice as loud: 3dB, 6db or 10 dB?This...

Maximum Noise (Decibels) and Time Exposure Calculator

Most countries have a stated maximum continuous noise level over a continuous 8 hour period (a working day). This is normally agreed to being...

Ohm’s Law Calculator

Below is a simple calculator for power, current, voltage and resistance. Simply find the correct calculator for the values you know and type these...