Kilowatt-hours to joules

Convert joules, calories, kilowatt-hours, BTU and the units used in nutrition, utility bills and physics.

26 units in this converter

Value

Result

Decimals Decimals, fractions such as 3/4, and scientific notation such as 1.2e3 all work.

Kilowatt-hour to Joule at a glance

21 rows

Kilowatt-hour	Joule
1 kWh	3,600,000 J
2 kWh	7,200,000 J
3 kWh	10,800,000 J
4 kWh	14,400,000 J
5 kWh	18,000,000 J
6 kWh	21,600,000 J
7 kWh	25,200,000 J
8 kWh	28,800,000 J
9 kWh	32,400,000 J
10 kWh	36,000,000 J
15 kWh	54,000,000 J
20 kWh	72,000,000 J
25 kWh	90,000,000 J
30 kWh	108,000,000 J
40 kWh	144,000,000 J
50 kWh	180,000,000 J
75 kWh	270,000,000 J
100 kWh	360,000,000 J
250 kWh	900,000,000 J
500 kWh	1,800,000,000 J
1,000 kWh	3,600,000,000 J

Quick pairs

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How the kilowatt-hour to joule conversion works

Multiply by 3,600,000 to go from kilowatt-hour to joule:

J = kWh × 3,600,000

Going the other way, multiply by 2.777777778e-7, which is the same as dividing by 3,600,000.

Questions

How many joule are in one kilowatt-hour?

One kilowatt-hour equals 3,600,000 joule.

Which units does this energy converter cover?

26 units in total, all referenced to the joule. They include joule, kilojoule, megajoule, gigajoule, millijoule, microjoule and more. Pick any pair from the two dropdown lists.

How precise are the results?

Every conversion is computed in your browser at double precision from the factors listed on this page, which follow the SI definitions and the exact international agreements for imperial and US customary units. Use the Decimals control to round the display without changing the underlying value.

Does anything I type leave my device?

No. The converter is plain JavaScript running locally, with no server round-trip, and the page keeps working offline once loaded.