How many gigawatt-hour in 1 watthour? The answer is 1.0E-9. We assume you are converting between gigawatt hour and watthour. You can view more details on each measurement unit: gigawatt-hour or watthour The SI derived unit for energy is the joule. 1 joule is equal to 2.7777777777778E-13 gigawatt-hour, or 0.00027777777777778 watthour. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between gigawatt hours and watthour. Type in your own numbers in the form to convert the units!
1 gigawatt-hour to watthour = 1000000000 watthour
2 gigawatt-hour to watthour = 2000000000 watthour
3 gigawatt-hour to watthour = 3000000000 watthour
4 gigawatt-hour to watthour = 4000000000 watthour
5 gigawatt-hour to watthour = 5000000000 watthour
6 gigawatt-hour to watthour = 6000000000 watthour
7 gigawatt-hour to watthour = 7000000000 watthour
8 gigawatt-hour to watthour = 8000000000 watthour
9 gigawatt-hour to watthour = 9000000000 watthour
10 gigawatt-hour to watthour = 10000000000 watthour
You can do the reverse unit conversion from watthour to gigawatt-hour, or enter any two units below:
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, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!