›› Convert kilowatt hour to attojoule


›› More information from the unit converter

How many kilowatt-hour in 1 attojoule? The answer is 2.7777777777778E-25.
We assume you are converting between kilowatt hour and attojoule.
You can view more details on each measurement unit:
kilowatt-hour or attojoule
The SI derived unit for energy is the joule.
1 joule is equal to 2.7777777777778E-7 kilowatt-hour, or 1.0E+18 attojoule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between kilowatt hours and attojoules.
Type in your own numbers in the form to convert the units!

›› Quick conversion chart of kilowatt-hour to attojoule

1 kilowatt-hour to attojoule = 3.6E+24 attojoule

2 kilowatt-hour to attojoule = 7.2E+24 attojoule

3 kilowatt-hour to attojoule = 1.08E+25 attojoule

4 kilowatt-hour to attojoule = 1.44E+25 attojoule

5 kilowatt-hour to attojoule = 1.8E+25 attojoule

6 kilowatt-hour to attojoule = 2.16E+25 attojoule

7 kilowatt-hour to attojoule = 2.52E+25 attojoule

8 kilowatt-hour to attojoule = 2.88E+25 attojoule

9 kilowatt-hour to attojoule = 3.24E+25 attojoule

10 kilowatt-hour to attojoule = 3.6E+25 attojoule

›› Want other units?

You can do the reverse unit conversion from attojoule to kilowatt-hour, or enter any two units below:

Enter two units to convert


›› Common energy conversions

kilowatt-hour to dekatherm
kilowatt-hour to decijoule
kilowatt-hour to foot pound
kilowatt-hour to quad
kilowatt-hour to teraelectron volt
kilowatt-hour to newton meter
kilowatt-hour to exawatt-hour
kilowatt-hour to gigacalorie
kilowatt-hour to joule
kilowatt-hour to gram calorie

›› Definition: Attojoule

The SI prefix "atto" represents a factor of 10-18, or in exponential notation, 1E-18.

So 1 attojoule = 10-18 joules.

The definition of a joule is as follows:

The joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work. The unit is pronounced to rhyme with "tool", and is named in honor of the physicist James Prescott Joule (1818-1889).

›› Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!