Energy
Kilowatt-hours to joules
One watt is one joule per second and an hour has 3,600 seconds.
The Formula
Joules = kWh x 3,600,000
One watt is one joule per second and an hour has 3,600 seconds.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| kWh | Kilowatt-hours | number | Energy in kilowatt-hours. |
| J | Joules | number | The same energy in joules. |
What Each Symbol Means
kWhnumber
Kilowatt-hours
Energy in kilowatt-hours.
Jnumber
Joules
The same energy in joules.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to convert energy units page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Convert Energy Units, filed under Unit Conversion. Every number the guide produces comes from substituting into this one line.