# Joules to watts calculator

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### What is the definition of joule?

• Joules (J) are a unit of energy.
• 1 Joule = 1 kgm2/s2 is the unit of measurement.
• When it comes to lighting efficiency, what you’re actually attempting to accomplish is reduce the overall amount of Joules you use while increasing the effective light output.

### What is the definition of Watts?

As a derived unit of 1 joule per second, it is used to quantify the transmission rate of energy. Watts are equal to the sum of amps and volts. Watts are a unit of measurement for how much energy is emitted. The higher the watts, the greater the appliance’s power and output.

### How to convert Joule to Watts

The computations are straightforward, and all that is required is that the units be input into the proper cells. The output is always proportional to the amount of energy in joules and the amount of time in seconds. Always fill both text boxes; otherwise, the conversion would be impossible since joules cannot be converted straight to watts without the time in seconds. When entering in new values, the Reset button is the easiest method to erase all prior computations at once.

It also cuts down on the time it takes to manually eliminate units from specific text fields. The Joules to Watts calculator has been developed to convert in a quick amount of time and with accurate results.

### Calculation of Joules to Watts

A unit of energy, E, divided by a unit of time, t, gives a measure of power, P, in watts.

P(W) = E(J) / t(s)
watt = joule / time in second

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