Kilojoules to Gigajoules conversion

Kilojoules to Gigajoules conversion table

Kilojoules (kJ)Gigajoules (GJ)
00
10.000001
20.000002
30.000003
40.000004
50.000005
60.000006
70.000007
80.000008
90.000009
100.00001
200.00002
300.00003
400.00004
500.00005
600.00006
700.00007
800.00008
900.00009
1000.0001
10000.001

How to convert kilojoules to gigajoules?

To convert kilojoules (kJ) to gigajoules (GJ), you need to understand the relationship between these units of energy.

1 gigajoule (GJ) is equivalent to 1,000,000 kilojoules (kJ). Therefore, the conversion factor between kilojoules and gigajoules is:

1GJ=1,000,000kJ1 \, \text{GJ} = 1,000,000 \, \text{kJ}

To convert from kilojoules to gigajoules, you divide the number of kilojoules by 1,000,000:

Gigajoules=Kilojoules1,000,000\text{Gigajoules} = \frac{\text{Kilojoules}}{1,000,000}

For example, to convert 1 kilojoule to gigajoules:

1kJ=1kJ1,000,000=0.000001GJ1 \, \text{kJ} = \frac{1 \, \text{kJ}}{1,000,000} = 0.000001 \, \text{GJ}

Real World Examples

  1. 50 Kilojoules: 50kJ=50kJ1,000,000=0.00005GJ50 \, \text{kJ} = \frac{50 \, \text{kJ}}{1,000,000} = 0.00005 \, \text{GJ}

    Real-world context: The energy required to lift approximately 255 kg (about 562 lbs) through a height of one meter against Earth's gravity.

  2. 500 Kilojoules: 500kJ=500kJ1,000,000=0.0005GJ500 \, \text{kJ} = \frac{500 \, \text{kJ}}{1,000,000} = 0.0005 \, \text{GJ}

    Real-world context: The amount of energy consumed by a standard incandescent light bulb (about 60 watts) running for a little over two hours.

  3. 10,000 Kilojoules: 10,000kJ=10,000kJ1,000,000=0.01GJ10,000 \, \text{kJ} = \frac{10,000 \, \text{kJ}}{1,000,000} = 0.01 \, \text{GJ}

    Real-world context: The energy content of roughly 2.4 kilograms (about 5.3 lbs) of gasoline.

  4. 1,000,000 Kilojoules: 1,000,000kJ=1,000,000kJ1,000,000=1GJ1,000,000 \, \text{kJ} = \frac{1,000,000 \, \text{kJ}}{1,000,000} = 1 \, \text{GJ}

    Real-world context: Equivalent to the amount of electrical energy consumed by an average U.S. household in about three months.

Understanding these conversions and real-world examples can help you get a better sense of the scale of energy measurements in kilojoules and gigajoules.

See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Gigajoules to other unit conversions.

What is kilojoules?

Kilojoules (kJ) are a unit of energy, specifically a measure of the amount of energy required to raise the temperature of 1 kilogram of water by 1 degree Celsius.

In other words, it's a way to quantify the amount of energy that something contains or releases. Kilojoules are commonly used in science, technology, and everyday life to express the energy content of various things, such as:

  • Foods: The energy content of foods is often listed in kilojoules (kJ) on nutrition labels.
  • Electrical appliances: The power consumption of devices like refrigerators or televisions is sometimes expressed in kilowatts (kW), which can be converted to kilojoules per second.
  • Chemical reactions: In chemistry, kilojoules are used to express the energy released or absorbed during chemical reactions.

To put it into perspective:

  • A typical snack bar might have around 400-600 kJ of energy content
  • A standard household light bulb uses about 60 W (which is equivalent to approximately 360 kJ per hour)
  • The kinetic energy of a human running at a moderate pace is around 500-700 kJ per minute

So, kilojoules are simply a way to measure and express the amount of energy in various forms.

What is gigajoules?

A gigajoule (GJ) is a unit of energy, specifically a large unit of measurement for electrical and thermal energy.

One gigajoule is equal to one billion joules. To put that in perspective:

  • 1 joule is the amount of energy required to lift an object weighing about 2 pounds up 3 feet.
  • 1 megajoule (MJ) is equal to 1 million joules, which is a significant amount of energy but still relatively small compared to what we use on a daily basis.
  • 1 gigajoule (GJ), on the other hand, is equivalent to:
    • About 277.8 kilowatt-hours (kWh) or 0.2778 megawatt-hours (MWh).
    • The energy produced by burning about 200 kilograms (440 pounds) of gasoline.
    • Enough electricity to power a typical household for about 24 hours.

Gigajoules are often used in the context of:

  • Energy production and consumption (e.g., electrical power plants, oil refineries)
  • Thermal energy storage (e.g., large-scale heat pumps, industrial processes)
  • Renewable energy sources (e.g., solar panels, wind turbines)

I hope that helps you understand gigajoules better!

Complete Kilojoules conversion table

Enter # of Kilojoules
Convert 1 kJ to other unitsResult
Kilojoules to Watt-seconds (kJ to Ws)1000
Kilojoules to Watt-minutes (kJ to Wm)16.666666666667
Kilojoules to Watt-hours (kJ to Wh)0.2777777777778
Kilojoules to Milliwatt-hours (kJ to mWh)277.77777777778
Kilojoules to Kilowatt-hours (kJ to kWh)0.0002777777777778
Kilojoules to Megawatt-hours (kJ to MWh)2.7777777777778e-7
Kilojoules to Gigawatt-hours (kJ to GWh)2.7777777777778e-10
Kilojoules to Joules (kJ to J)1000
Kilojoules to Megajoules (kJ to MJ)0.001
Kilojoules to Gigajoules (kJ to GJ)0.000001
Kilojoules to calories (kJ to cal)239.00573613767
Kilojoules to Kilocalories (kJ to kcal)0.2390057361377