Kilowatt-hour to Watt-hour Converter
免费能量转换器, 即时换算焦耳、卡路里、千瓦时和英热单位
1Kilowatt-hour=1000Watt-hour
1 Watt-hour = 0.001 Kilowatt-hour
Kilowatt-hour
- Symbol
- kWh
- System
- Metric/Imperial
- Dimension
- Various
Watt-hour
- Symbol
- Wh
- System
- Metric/Imperial
- Dimension
- Various
Quick Reference Table
| Kilowatt-hour | Watt-hour | Watt-hour | Kilowatt-hour |
|---|---|---|---|
| 1 | 1000 | 1 | 0.001 |
| 2 | 2000 | 2 | 0.002 |
| 3 | 3000 | 3 | 0.003 |
| 5 | 5000 | 5 | 0.005 |
| 10 | 10000 | 10 | 0.01 |
| 25 | 25000 | 25 | 0.025 |
| 50 | 50000 | 50 | 0.05 |
| 100 | 100000 | 100 | 0.1 |
| 500 | 500000 | 500 | 0.5 |
| 1000 | 1000000 | 1000 | 1 |
Conversion Formula
Watt-hour = Kilowatt-hour × 1000
Kilowatt-hour = Watt-hour × 0.001
Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 1000.
How to convert Kilowatt-hour to Watt-hour
Multiply the value in kilowatt-hour by 1000 to get watt-hour. For example, 5 Kilowatt-hour = 5000 Watt-hour. All results in the 能量 converter update instantly as you type, so you can see every unit at once without manual math.
Common mistakes
Do not round the factor to 1000 too early — keep full precision until the final display. For 能量, always verify critical calculations (medicine, engineering) with a second source.
FAQ
- How many Watt-hour in 1 Kilowatt-hour?
- 1 Kilowatt-hour = 1000 Watt-hour.
- How many Kilowatt-hour in 1 Watt-hour?
- 1 Watt-hour = 0.001 Kilowatt-hour.
- What is the source?
- BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.
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