Enter the joules per hour (J/hr) into the Calculator. The calculator will evaluate the Joules Per Hour To Watts. 

Joules Per Hour To Watts Formula

W = JPH*.00028


  • W is the Joules Per Hour To Watts (watts)
  • JPH is the joules per hour (J/hr)

To convert Joules Per Hour To Watts, multiply the joules per hour by .00028.

How to Convert Joules Per Hour To Watts?

The following steps outline how to convert the Joules Per Hour To Watts.

  1. First, determine the joules per hour (J/hr). 
  2. Next, gather the formula from above = W = JPH*.00028.
  3. Finally, calculate the Joules Per Hour To Watts.
  4. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

joules per hour (J/hr) = 1600

Frequently Asked Questions

What are Joules?

Joules are a unit of energy in the International System of Units (SI). They are used to measure the amount of work done, heat, or energy transferred. One joule is equivalent to the energy transferred when one newton of force is applied over a displacement of one meter.

Why do we convert Joules Per Hour to Watts?

Converting Joules per hour to Watts is essential for understanding the rate at which energy is being converted or used in a system over time. Watts measure the rate of energy transfer in terms of joules per second, making it a more practical unit for many applications, especially in electrical and mechanical systems.

Can this conversion be used for calculating electrical energy consumption?

Yes, this conversion is particularly useful in calculating electrical energy consumption. By knowing the energy usage in joules per hour and converting it to watts, one can easily understand the power consumption rate of electrical devices, which is commonly measured in watts.

Is there a difference between Watts and Watt-hours?

Yes, there is a significant difference. Watts measure the rate of energy transfer or consumption at any given moment (power), while Watt-hours measure the total amount of energy transferred or consumed over a period of time. For example, a device consuming 1000 watts for 1 hour uses 1000 Watt-hours of energy.