Convert Gigajoule to Kilowatt-hour
Type the number of gigajoules that you wish to convert to kilowatt-hours.
How to Convert Gigajoules to Kilowatt-hours
The gigajoule and kilowatt-hour are both units of energy. 1 gigajoule equals 277.77777778 kilowatt-hours. This means to convert gigajoules to kilowatt-hours, you multiply by 277.77777778.
Formula
Step-by-Step Example
Convert 5 GJ to kilowatt-hours:
We need to convert gigajoules to kilowatt-hours
Since 1 GJ = 277.77777778 kWh, multiply by 277.77777778
5 × 277.77777778 = 1388.8888889
5 GJ = 1388.8888889 kWh
Gigajoule to Kilowatt-hour Conversion Table
Quick reference table for common gigajoule to kilowatt-hour conversions. Click any value for detailed calculation.
| Gigajoules (GJ) | Kilowatt-hours (kWh) |
|---|---|
| 0.1 GJ | 27.777777778 kWh |
| 0.5 GJ | 138.88888889 kWh |
| 1 GJ | 277.77777778 kWh |
| 2 GJ | 555.55555556 kWh |
| 5 GJ | 1388.8888889 kWh |
| 10 GJ | 2777.7777778 kWh |
| 25 GJ | 6944.4444444 kWh |
| 50 GJ | 13888.888889 kWh |
| 100 GJ | 27777.777778 kWh |
About These Units
Gigajoule (GJ)
A gigajoule (GJ) equals 1 billion joules or approximately 277.8 kilowatt-hours. Gigajoules measure natural gas billing, industrial energy use, and building energy consumption. One GJ equals about 26.8 cubic meters of natural gas.
Kilowatt-hour (kWh)
A kilowatt-hour (kWh) is the standard unit for electricity billing, equal to 1,000 watt-hours or 3.6 megajoules. Average US home uses 900 kWh monthly. Running a 100W bulb for 10 hours uses 1 kWh. Electricity costs $0.10-0.30 per kWh typically.
Frequently Asked Questions
How do I convert gigajoules to kilowatt-hours?
To convert gigajoules to kilowatt-hours, multiply the value by 277.77777778. For example, 10 GJ = 2777.7777778 kWh.
How many kilowatt-hours are in 1 gigajoule?
1 gigajoule equals 277.77777778 kilowatt-hours.
What is the formula for gigajoules to kilowatt-hours?
The formula is: kWh = GJ × 277.77777778.