what is energy unit converter ?

An energy unit converter is a tool or device, either physical or digital, that allows you to convert measurements of energy from one unit to another. Energy can be measured in various units, and depending on the context, different units may be used. For example, energy can be measured in joules, kilojoules, calories, kilocalories, electron volts, British thermal units (BTUs), kilowatt-hours (kWh), and many others.