Watt-hour to Kilowatt-hour Converter

Enter a value to calculate the result instantly and free of charge.

Wh
0.001kWh

1 Wh = 0.001 kWh

Conversion summary

1 Wh = 0.001 kWh

Formula
Kilowatt-hour = Watt-hour ÷ 1,000
Category
Energy and Power
Units
WhkWh

How do you convert watt-hour to kilowatt-hour?

To convert watt-hour to kilowatt-hour, divide the watt-hour value by 1,000. One Wh is equal to 0.001 kWh.

Conversion formula

Kilowatt-hour = Watt-hour ÷ 1,000

Watt-hour to Kilowatt-hour conversion table

Watt-hourKilowatt-hour
1 Wh0.001 kWh
10 Wh0.01 kWh
100 Wh0.1 kWh
500 Wh0.5 kWh
1,000 Wh1 kWh
2,000 Wh2 kWh
5,000 Wh5 kWh

What is Watt-hour?

The watt-hour is a practical energy unit representing the energy consumed at a rate of one watt for one hour.

Short history of Watt-hour

It is the basis of the larger kilowatt-hour unit used on electricity bills.

Open the Watt-hour unit guide

What is Kilowatt-hour?

The kilowatt-hour is a widely used practical energy unit for electrical consumption.

Short history of Kilowatt-hour

It became central to utility metering and billing because it connects power and operating time in a convenient way.

Open the Kilowatt-hour unit guide

Frequently asked questions

How precise are the results?

Conversion results are calculated to 12 significant figures. Very large or very small values are shown in scientific notation.

Is the Watt-hour to Kilowatt-hour converter free?

Yes. The conversion tool on BirimCeviri.app is free and requires no sign-up.

Sources

The definitions and conversion relationships on this page are aligned with standard metrology and SI reference material.

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: NIST Guide to the SI — Appendix B.8: Factors for Units Listed Alphabetically (horsepower, watt-hour dahil)
  3. NIST: Guide to the SI — Conversion Factors

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