Watt hour → Kilowatt hour (Wh → kWh)

1 Wh = 0.001 kWh
1 Watt hour (Wh) = 0.001 Kilowatt hour (kWh).

Watt hour (Wh):


Kilowatt hour (kWh):

If you want to reverse convert, use Kilowatt hour → Watt hour. 1 kWh = 1000 Wh. You can also explore the full Energy converter page for more cross conversions.

Conversion formula

Watt hour to Kilowatt hour formula: value in kWh = value in Wh × 0.001.

Kilowatt hour to Watt hour formula: value in Wh = value in kWh × 1000.

How to convert Watt hour to Kilowatt hour

To convert Watt hour to Kilowatt hour, multiply the value in Wh by 0.001. This gives the result in kWh.

For example, 1 Wh = 0.001 kWh and 10 Wh = 0.01 kWh.

What is Watt hour?

Watt hour (Wh): The energy used by a one-watt device running for one hour; common in battery specifications. 1 Wh = 1 W × 1 h = 3600 J.

What is Kilowatt hour?

Kilowatt hour (kWh): The energy used at one kilowatt for one hour; commonly shown on electricity bills. 1 kWh = 1000 Wh = 3.6 MJ.

FAQ

Watt hour → other Energy units

• 1 watt hour → joule = 3600 joule
• 1 watt hour → kilojoule = 3.6 kilojoule
• 1 watt hour → megajoule = 0.0036 megajoule
• 1 watt hour → calorie = 860.4206500956 calorie
• 1 watt hour → kilocalorie = 0.8604206500956 kilocalorie
• 1 watt hour → kilowatt hour = 0.001 kilowatt hour
• 1 watt hour = 1.0E-6 megawatt hour
• 1 watt hour → british thermal unit = 3.412128220196 british thermal unit
• 1 watt hour → foot pound = 2655.2197194318 foot pound
• 1 watt hour = 2.2469432668059E+16 mega electron volt
• 1 watt hour = 2.2469432668059E+22 electron volt

Watt hour → Kilowatt hour Table

The table below shows common values from Watt hour to Kilowatt hour and the reverse direction for quick reference.

Kilowatt hour → Watt hour Table

Kilowatt hour → Watt hour

The reverse value is 1 kWh = 1000 Wh.