Convert Watt-hours to Kilowatt-hours
Watt-hours to Kilowatt-hours conversion table
| Watt-hours (Wh) | Kilowatt-hours (kWh) |
|---|---|
| 1 Wh | 0.001 kWh |
| 2 Wh | 0.002 kWh |
| 5 Wh | 0.005 kWh |
| 10 Wh | 0.01 kWh |
| 25 Wh | 0.025 kWh |
| 50 Wh | 0.05 kWh |
| 100 Wh | 0.1 kWh |
| 200 Wh | 0.2 kWh |
| 500 Wh | 0.5 kWh |
| 1000 Wh | 1 kWh |
How to convert watt-hours to kilowatt-hours
Whether you need to express a value in kWh instead of Wh, this guide walks you through the exact steps. Energy conversions connect food nutrition labels (calories), electricity bills (kWh), and scientific measurements in joules or BTU.
Formula: Multiply the watt-hours value by 0.001. In equation form: kWh = Wh × 0.001.
One watt-hours equals approximately 0.001 kWh. This means you can multiply any Wh value by 0.001 to get the equivalent in kWh.
For instance, converting 10 Wh gives 0.01 kWh. Try different values using the quick-value chips or type directly into the input field.
Common mistake: Food calories on nutrition labels are actually kilocalories (kcal), which confuses many people when comparing to joules or watt-hours.
Bookmark this page for quick Wh to kWh conversions, or use the swap button to reverse the direction and convert kWh back to Wh.
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Frequently asked questions
1 Wh equals 0.001 kWh.
Multiply the watt-hours value by 0.001.
10 Wh = 0.01 kWh.