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Conversion Calculators for Eletrical
More Information Coming
Please note that our AC calculations are
for 'Resistive' loads such as LED lighting,
not 'Inductive' loads like for induction motors.
You can select from one of the pre-set links in the Calculation Options list, or follow the instructions below.1 select the Volts that your are working with.
2 Select what you are converting from Eg. Watts.
3 Select what your are converting to Eg. Amps..
4 Enter a numeric value, and click "Convert" button for answer.
- Calculate Amps from Watts and Volts
- Claculate Watts from Amps and Volts
- Claculate Kilowatts from Amps and Volts
- Claculate mAh from Amp Hours (Ah)
- Claculate Kilowatt-Hours from Watts and Hours
- Claculate Watts from Kilowatts
- Claculate Kilowatts from Kilowatts-Hours
If you require more conveertion options to be added, please contact us.
How Electricity Works
Amps are how many electrons flow past a certain point per second. It is equal to one coulomb of charge per second, or 6.24 x 10^18 electrons per second.
Volts is a measure of how much force that each electron is under, which we call "potential".
Power (watts) is volts times amps. A few electrons under a lot of potential can supply a lot of power, or a lot of electrons at a low potential can supply the same power. Think of water in a hose. A gallon a minute (think amps) just dribbles out if it is under low pressure (think low voltage). But if you restrict the end of the hose, letting the pressure build up, the water can have more power (like watts), even though it is still only one gallon a minute. In fact the power can grow enormous as the pressure builds, to the point that a water knife can cut a sheet of glass. In the same manner as the voltage is increased a small amount of current can turn into a lot of watts.
This is also why increasing the volts does not necessarily increase the available power. Power is amps times volts, so if you double the volts you halve the amps unless something in your circuit actually creates power, such as a battery, solar panel or nuclear power plant.