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Gigajoules to Kilocalories conversion

Gigajoules to Kilocalories conversion table

Gigajoules (GJ)Kilocalories (kcal)
00
1239005.73613767
2478011.47227533
3717017.208413
4956022.94455067
51195028.6806883
61434034.416826
71673040.1529637
81912045.8891013
92151051.625239
102390057.3613767
204780114.7227533
307170172.08413
409560229.4455067
5011950286.806883
6014340344.16826
7016730401.529637
8019120458.891013
9021510516.25239
10023900573.613767
1000239005736.13767

How to convert gigajoules to kilocalories?

Sure! To convert energy from Gigajoules (GJ) to Kilocalories (kcal), you need to use the conversion factor where 1 Joule is approximately 0.000239006 kilocalories.

Given:

  • 1 Gigajoule (GJ) = 1,000,000,000 Joules (J)

So, to convert: 1 GJ×(0.000239006 kcal1 J)=239,006 kcal\text{1 GJ} \times \left( \frac{0.000239006 \text{ kcal}}{1 \text{ J}} \right) = 239,006 \text{ kcal}

Therefore, 1 Gigajoule (GJ) is equal to 239,006 Kilocalories (kcal).

Real-World Examples of Other Quantities in Gigajoules:

  1. Household Energy Consumption:

    • The average energy consumption of a US home is around 10,000 kWh annually.
    • 1 kWh is equivalent to 0.0036 GJ.
    • Thus, 10,000 kWh * 0.0036 GJ/kWh = 36 GJ.
    • Approximately, an average US household uses 36 Gigajoules of energy per year.

  2. Natural Gas Content:

    • A cubic meter of natural gas contains about 0.038 GJ of energy.
    • For instance, 1000 cubic meters of natural gas would contain approximately 38 GJ of energy.

  3. Heating a Swimming Pool:

    • Heating an Olympic-size swimming pool (2,500,000 liters) by 1°C requires about 10.45 GJ.
    • To heat such a pool by 10°C would require around 104.5 GJ.

  4. Vehicle Fuel Consumption:

    • The energy density of gasoline is about 34.2 MJ per liter.
    • So, 1 Gigajoule is equivalent to about 29.2 liters of gasoline (1 GJ / 34.2 MJ/L).
    • If a car has a fuel efficiency of 8 liters per 100 kilometers, 1 GJ could power the car for about 365 kilometers.

  5. Industrial Applications:

    • A small industrial boiler could use around 10 GJ of energy per hour.
    • Therefore, operating such a boiler continuously for 10 hours would consume 100 GJ.

Understanding these conversions and examples can help relate the abstract metric of Gigajoules to tangible daily energy uses and activities.

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 Kilocalories to other unit conversions.

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!

What is kilocalories?

Kilocalories (kcal) are a unit of energy that measures the amount of heat or energy required to raise the temperature of 1 kilogram of water by 1 degree Celsius. In other words, it's a measure of how much energy is needed to change the state of a substance (in this case, water).

In nutrition and food science, kilocalories are used to express the energy content of foods and drinks. One kilocalorie is equal to 1000 calories (not to be confused with "Calories" which is capitalized and refers to the unit of energy specifically related to the human body). The term "kilocalorie" is often shortened to simply "calorie", but technically, it's a measure of the energy content of foods and drinks.

Here are some examples of how kilocalories are used in everyday life:

  1. Food labels: When checking nutrition labels on packaged foods, you'll see the energy content listed in kilocalories (kcal).
  2. Caloric intake: The number of kilocalories an individual consumes or burns is a measure of their caloric balance.
  3. Physical activity: The energy expended during exercise or physical activity is also measured in kilocalories.

To give you an idea of the scale, here are some approximate kilocalorie values for common foods and drinks:

  • Apple (1 medium): 95 kcal
  • Banana (1 medium): 105 kcal
  • Cup of coffee: 0-2 kcal
  • Glass of water: 0 kcal

I hope that helps you understand what kilocalories are!

Complete Gigajoules conversion table

Enter # of Gigajoules
Convert 1 GJ to other unitsResult
Gigajoules to Watt-seconds (GJ to Ws)1000000000
Gigajoules to Watt-minutes (GJ to Wm)16666666.666667
Gigajoules to Watt-hours (GJ to Wh)277777.77777778
Gigajoules to Milliwatt-hours (GJ to mWh)277777777.77778
Gigajoules to Kilowatt-hours (GJ to kWh)277.77777777778
Gigajoules to Megawatt-hours (GJ to MWh)0.2777777777778
Gigajoules to Gigawatt-hours (GJ to GWh)0.0002777777777778
Gigajoules to Joules (GJ to J)1000000000
Gigajoules to Kilojoules (GJ to kJ)1000000
Gigajoules to Megajoules (GJ to MJ)1000
Gigajoules to calories (GJ to cal)239005736.13767
Gigajoules to Kilocalories (GJ to kcal)239005.73613767

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