kilowatt-hours (kWh)

kilowatt-hours as a conversion hub: 6 direct pairs, all with the exact factor on the page.

Definition1 kWh = 3,600 kJ exactly

CategoryEnergy Converter

Pairs from here6

Energy Converter

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kilowatt-hours converted to every other unit

kWh	J	kJ	cal	kcal	Wh	Btu
1 kWh	3,600,000	3,600	860,420.65	860.421	1,000	3,412.14
2 kWh	7,200,000	7,200	1,720,841.3	1,720.84	2,000	6,824.28
5 kWh	18,000,000	18,000	4,302,103.25	4,302.1	5,000	17,060.71
10 kWh	36,000,000	36,000	8,604,206.5	8,604.21	10,000	34,121.42
20 kWh	72,000,000	72,000	17,208,413	17,208.41	20,000	68,242.83
50 kWh	180,000,000	180,000	43,021,032.5	43,021.03	50,000	170,607.08
100 kWh	360,000,000	360,000	86,042,065.01	86,042.07	100,000	341,214.16

All conversions starting from kWh

kWh to J kWh to kJ kWh to cal kWh to kcal kWh to Wh kWh to Btu

Questions

How do I convert from kilowatt-hours?

Pick the target unit from the table on this page, or open the dedicated pair page — each one carries a converter, a table of common values and the exact factor.

Is kilowatt-hour exact or approximate?

The factor shown (1 kWh = 3,600 kJ) is fixed by definition, so conversions are exact rather than measured.

What is kilowatt-hour used for?

electricity billing and appliance consumption