Electricity Calculator

Electricity Calculator Tool


Electricity Calculator


Electricity and voltage are two distinctive quantities that play pivotal roles in our daily lives. Their roles are indispensable in technologies and devices that are all pervasive in our contemporary society. This article offers a vivid exploration of their historical backgrounds, measurement, the relationship between each other, and their importance in everyday life.

Quick Summary

  • Highlights the historical background of measuring electricity and voltage.
  • Unveils the connection between electricity and voltage.
  • Sheds light on the importance of understanding these two phenomena in our daily life.
  • Discusses AC and DC currents.
  • Provides intriguing facts about measuring electricity and voltage.

History of Measuring Electricity

Electricity was discovered well over two thousand years ago, with refined methods of measuring it evolving gradually over time. The first scientist to quantify the electrical force was Charles Augustin de Coulomb in the late 18th century, using his invention called the torsion balance. The contribution of many other scientists followed, leading to the improvement and enhancement of electricity measuring devices and units.

History of measuring Voltage

Voltage or electric potential difference, on the other hand, did not have its measurement systems in place until the mid of 19th century. George Ohm, a German physicist, made significant contributions to voltage measurements by establishing Ohm’s law which paved a way for more precise voltage calculators used today.

The Link Between Electricity and Voltage

Voltage and electricity are inextricably interconnected. Voltage is simply the potential energy per unit charge. It pushes the electric current or the flow of electricity in a circuit. Knowing the voltage can help us to calculate the potential electrical energy that could be generated in an electrical circuit.

Why Knowing Electricity and Voltage is Important

Understanding electricity and voltage are pivotal for a few reasons, especially for safety precautions at home and workplaces. Knowing the voltage of an appliance can help us understand how much power it consumes and can save up on energy bills. Moreover, this understanding is essential for engineers, technicians, and electricians who work with these energies daily.

Common Reasons to Use A/C and D/C Currents

  • AC (Alternating Current) is widely used in houses and businesses for its ability to be transformed into high and low voltages with ease.
  • DC (Direct Current) is commonly found in battery-operated devices due to its constant and unidirectional flow of electricity.

Do you Know?

  • The world’s longest electricity transmission line is the Rio Madeira link in Brazil stretching over 2375 miles.
  • Thunderstorms create the highest natural voltage with a potential difference of up to a billion volts.
  • The ‘volt’ is named in honor of Alessandro Volta, an Italian physicist who invented the first chemical battery.
  • The largest generator of electricity in the world is the Three Gorges Dam in China.
  • DC was once the dominant system of electricity in the United States until the AC system invented by Nikola Tesla replaced it.
  • ‘Ohm’s Law’ is one of the fundamental concepts of electricity and voltage, defined by a German physicist named George Ohm.
  • The single largest consumer of electricity globally is the Internet.
  • The smallest standard measure of electricity is the electron volt (eV), which represents the kinetic energy gained or lost by an electron.
  • Light bulbs were one of the first commodities that used electricity, invented by Thomas Edison.
  • The invention of voltage regulator made it possible to provide constant voltage in spite of variations in load.

Understanding these principles and how to calculate electrical energies can be extremely useful in academic, professional, and everyday contexts. A handy electricity calculator enables easy, understandable calculations which takes into consideration different energy units, further facilitating our comprehension of these essential energies. Any questions left? You can always ask for further clarification.

Zippy Calc Key Benefits

  • FAST

    Optimized for SPEED. We pride ourselves on having FAST calculators available for you. We know you’ve got other important things to do and that’s why we’ve reduced all excess button clicks so you can be in, out, and on your way.


    No charge to you. We get paid and keep the lights on via our advertisers on the site (which we try to make as least intrusive as possible)


    Here’s a tidbit. We include stats and interesting facts alongside of each of our calculators. These may be helpful to you along your way and provide you an insight and link to a resource to help you on your way.


    Chose not to be boring. We’ve found that a lot of our competitors (yes, there are online calculator competitors, can you believe the world we live in) have very BORING websites. We’re not trying to be boring. We want you to have a chuckle.