How many watthour in 1 kilojoules?
The answer is 0.27777777777778.
We assume you are converting between watthour and kilojoule.
You can view more details on each measurement unit:
watthour or kilojoules
The SI derived unit for energy is the joule.
1 joule is equal to 0.00027777777777778 watthour, or 0.001 kilojoules.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between watthour and kilojoules.
Type in your own numbers in the form to convert the units!
1 watthour to kilojoules = 3.6 kilojoules
5 watthour to kilojoules = 18 kilojoules
10 watthour to kilojoules = 36 kilojoules
15 watthour to kilojoules = 54 kilojoules
20 watthour to kilojoules = 72 kilojoules
25 watthour to kilojoules = 90 kilojoules
30 watthour to kilojoules = 108 kilojoules
40 watthour to kilojoules = 144 kilojoules
50 watthour to kilojoules = 180 kilojoules
You can do the reverse unit conversion from kilojoules to watthour, or enter any two units below:
watthour to megawatt-hour
watthour to Btu
watthour to meter kilogram-force
watthour to hundred cubic foot of natural gas
watthour to megacalorie
watthour to gigaelectron volt
watthour to quad
watthour to petajoule
watthour to liter atmosphere
watthour to millijoule
The SI prefix "kilo" represents a factor of 103, or in exponential notation, 1E3.
So 1 kilojoule = 103 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).
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!