Ohm’s Law Calculator

Here is a simple calculator for power, current, voltage and resistance (actually there are 6 different calculators, use the one relevant to the values...

Power Usage Calculator

Knowing the cost of running an electrical appliance is useful, and easy with this power usage calculator. You need to know three things: 1. Cost of...

Lighting Costs Comparision Calculator

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