Kilowatt-hours to Watt-hours Converter

1 kWh = 1,000 Wh. Type any value below for the exact watt-hours figure.

kWh
1,000Wh

1 kWh = 1,000 Wh

Conversion summary

1 kWh = 1,000 Wh

Formula
Watt-hour = Kilowatt-hour × 1,000
Category
Energy and Power
Units
kWh → Wh

1 kWh in other units

Values update with the converter above. Select a row to open that conversion's detailed page.

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

To convert kilowatt-hours to watt-hours, multiply the number of kilowatt-hours by 1,000. 1 kWh = 1,000 Wh.

Conversion formula

Watt-hour = Kilowatt-hour × 1,000

Kilowatt-hours to watt-hours conversion table

Kilowatt-hours (kWh)Watt-hours (Wh)
0.001 kWh1 Wh
0.01 kWh10 Wh
0.1 kWh100 Wh
0.5 kWh500 Wh
1 kWh1,000 Wh
2 kWh2,000 Wh
5 kWh5,000 Wh

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

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

Frequently asked questions

What is 1 Kilowatt-hour in Watt-hour?

1 kWh = 1,000 Wh.

How do you convert Kilowatt-hour to Watt-hour?

To convert kilowatt-hours to watt-hours, multiply the number of kilowatt-hours by 1,000. 1 kWh = 1,000 Wh.

Frequently asked questions

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

1 kWh = 1,000 Wh.

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

To convert kilowatt-hours to watt-hours, multiply the number of kilowatt-hours by 1,000. 1 kWh = 1,000 Wh.

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

1 Wh = 0.001 kWh.

Sources

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

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