Free instant kWh → Wh converter. No signup, no uploads — everything is calculated privately in your browser.
1 kWh = 1,000 watt-hours
1 kilowatt-hours = 1,000 watt-hours
Free, instant, and 100% private — every calculation runs in your browser. Nothing is uploaded.
1 kilowatt-hour equals 1,000 watt-hours. To convert kilowatt-hours to watt-hours, multiply the value by 1000.
1 kilowatt-hour = 1,000 watt-hours. Formula: value × 1000
Example: 1 kWh → 1,000 Wh. Type any value in the converter above to see it converted live.
| Kilowatt-hours (kWh) | Watt-hours (Wh) |
|---|---|
| 1 kWh | 1,000 Wh |
| 2 kWh | 2,000 Wh |
| 5 kWh | 5,000 Wh |
| 10 kWh | 10,000 Wh |
| 25 kWh | 25,000 Wh |
| 50 kWh | 50,000 Wh |
| 100 kWh | 100,000 Wh |
| 250 kWh | 250,000 Wh |
| 500 kWh | 500,000 Wh |
| 1,000 kWh | 1,000,000 Wh |
1 kilowatt-hour = 1,000 watt-hours. Formula: value × 1000. Enter the value above and the result appears instantly — the calculation runs entirely in your browser.
Exactly: 1 kilowatt-hour = 1000 watt-hours. The reverse factor is 1 watt-hour = 0.001 kilowatt-hours.
1 kWh = 1,000 Wh; 10 kWh = 10,000 Wh; 100 kWh = 100,000 Wh. Use the full conversion table below for more reference values.
No — and the capital letter matters. A food Calorie (with a capital C) is a kilocalorie: 1,000 small calories. This converter treats them correctly: 1 kcal = 4.184 kJ = 1,000 cal. Energy labels on food almost always mean kilocalories, even where the label just says "calories".