Electronvolts to kilowatt-hours converter
Kilowatt-hours (kWh)
1 electronvolt = 4.450491e-26 kilowatt-hours
How to convert electronvolts to kilowatt-hours
kWh = eV × 4.45049065 × 10^-26
Multiply the number of electronvolts by 4.45049065 × 10^-26 to get kilowatt-hours. Going the other way, divide by 4.45049065 × 10^-26 (or multiply by 2.24694326681 × 10^25).
One electronvolt is exactly defined as 4.45049065 × 10^-26 kilowatt-hours (to 12 significant figures), and one kilowatt-hour is 2.24694326681 × 10^25 electronvolts.
Worked examples
- Convert 5 electronvolts: 5 × 4.45049065 × 10^-26 = 2.225245e-25 2.225245e-25 kilowatt-hours.
- Convert 12.5 electronvolts: 12.5 × 4.45049065 × 10^-26 = 5.563113e-25 5.563113e-25 kilowatt-hours.
- Convert 250 electronvolts: 250 × 4.45049065 × 10^-26 = 1.112623e-23 1.112623e-23 kilowatt-hours.
Quick-reference table
| eV | kWh |
|---|---|
| 1 | 4.450491e-26 |
| 2 | 8.900981e-26 |
| 3 | 1.335147e-25 |
| 5 | 2.225245e-25 |
| 10 | 4.450491e-25 |
| 15 | 6.675736e-25 |
| 20 | 8.900981e-25 |
| 25 | 1.112623e-24 |
| 50 | 2.225245e-24 |
| 75 | 3.337868e-24 |
| 100 | 4.450491e-24 |
| 1,000 | 4.450491e-23 |
| kWh | eV |
|---|---|
| 1 | 2.246943e+25 |
| 2 | 4.493887e+25 |
| 3 | 6.74083e+25 |
| 5 | 1.123472e+26 |
| 10 | 2.246943e+26 |
| 15 | 3.370415e+26 |
| 20 | 4.493887e+26 |
| 25 | 5.617358e+26 |
| 50 | 1.123472e+27 |
| 75 | 1.685207e+27 |
| 100 | 2.246943e+27 |
| 1,000 | 2.246943e+28 |
Related conversions
Frequently asked questions
How many kilowatt-hours are in 1 electronvolt?
1 electronvolt equals 4.450491e-26 kilowatt-hours.
What is the formula to convert electronvolts to kilowatt-hours?
Use kWh = eV × 4.45049065 × 10^-26. Multiply the number of electronvolts by 4.45049065 × 10^-26 to get kilowatt-hours. Going the other way, divide by 4.45049065 × 10^-26 (or multiply by 2.24694326681 × 10^25).
What is 100 electronvolts in kilowatt-hours?
100 electronvolts is 4.450491e-24 kilowatt-hours.