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Kilowatt-hour to Watt-hour Converter

Convert Kilowatt-hour to Watt-hour instantly — live results with exact conversion factors.

1000 Wh

Answer

1 kilowatt-hour = 1000 watt-hours. To convert kWh to Wh, multiply by 1000.

Quick Reference Table

Kilowatt-hour (kWh) Watt-hour (Wh)
1 1000
2 2000
5 5000
10 10000
20 20000
50 50000
100 100000
250 250000
500 500000
1000 1000000

Formula

Convert Kilowatt-hour (kWh) to Watt-hour (Wh) using the relationship: 

Wh = kWh × 1000

How to Convert

  1. Take the value in kilowatt-hours (kWh).
  2. Multiply it by 1000 (the conversion factor from kWh to Wh).
  3. The result is the equivalent value in watt-hours (Wh).
  4. Example: 1 kWh = 1000 Wh.

Reverse Conversion

Need it the other direction? Watt-hour to Kilowatt-hour conversion.

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FAQ

▸ How many watt-hours are in 1 kilowatt-hour?

1 Kilowatt-hour equals 1000 watt-hours. Multiply by 1000 to convert kWh to Wh.

▸ What is the formula to convert kilowatt-hour to watt-hour?

Multiply the value in kilowatt-hours by 1000 to get watt-hours. Formula: Wh = kWh × 1000.

▸ How do I convert kilowatt-hours to watt-hours easily?

Enter your value in the converter at the top of this page — the watt-hours result updates live as you type. You can also multiply by 1000 directly.