kilowatt-hour kWh

1000 Wh. Electricity bills.

Quick convert — kilowatt-hour to popular units

Live converter, three directions. Type any value to update all three.

kilowatt-hour
joule
1 kWh = 3,600,000J
kilowatt-hour
kilojoule
1 kWh = 3,600kJ
kilowatt-hour
calorie
1 kWh = 860,420.6501cal

Conversion table — kilowatt-hour to every Energy unit

All values for 1 kWh (forward) and 1 reverse unit → {symbol}.

To / From 1 kWh = 1 to-unit =
joule (J) 3,600,000 J 2.777778e-7 kWh
kilojoule (kJ) 3,600 kJ 0.00027778 kWh
calorie (cal) 860,420.6500956 cal 1.162222e-6 kWh
kilocalorie (kcal) 860.4206501 kcal 0.00116222 kWh
watt-hour (Wh) 1,000 Wh 0.001 kWh
British thermal unit (BTU) 3,412.14163313 BTU 0.00029307 kWh
electronvolt (eV) 2.246943e+25 eV 4.450491e-26 kWh
foot-pound (ft·lb) 2,655,223.73739816 ft·lb 3.766161e-7 kWh
therm (thm) 0.03412142 thm 29.30710702 kWh

Frequently Asked Questions

What does kWh stand for?

kilowatt-hour (kWh) is a unit of Energy.

How many kWh are in 1 J?

1 J = 3,600,000 kWh, so 1 kWh = 2.7778e-7 J.

Is this the SI base unit?

No. kilowatt-hour is one of several units in the Energy category. The SI base is J.

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