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Megajoules to Gigawatt-hours conversion

Megajoules to Gigawatt-hours conversion table

Megajoules (MJ)Gigawatt-hours (GWh)
00
12.7777777777778e-7
25.5555555555556e-7
38.3333333333333e-7
40.000001111111111111
50.000001388888888889
60.000001666666666667
70.000001944444444444
80.000002222222222222
90.0000025
100.000002777777777778
200.000005555555555556
300.000008333333333333
400.00001111111111111
500.00001388888888889
600.00001666666666667
700.00001944444444444
800.00002222222222222
900.000025
1000.00002777777777778
10000.0002777777777778

How to convert megajoules to gigawatt-hours?

Sure, let's break this down.

Conversion from Megajoules to Gigawatt-hours

1 Megajoule (MJ) is equivalent to 0.00000027778 Gigawatt-hours (GWh). Here's a step-by-step explanation of the conversion:

  1. Understand the Units:

    • 1 Megajoule = 1,000,000 Joules
    • 1 Gigawatt-hour = 10910^9 Watt-hours = 10910^9 Joules/second * 3600 seconds = 3.6×10123.6 \times 10^{12} Joules

  2. Conversion Formula: 1 MJ=1,000,000 Joules3.6×1012 Joules=13,600,000Joules=0.00000027778 GWh \text{1 MJ} = \frac{1,000,000 \, \text{Joules}}{3.6 \times 10^{12} \, \text{Joules}} = \frac{1}{3,600,000} \text{Joules} = 0.00000027778 \, \text{GWh}

Hence, to convert 1 Megajoule to Gigawatt-hours: 1 MJ≈0.00000027778 GWh 1 \, \text{MJ} \approx 0.00000027778 \, \text{GWh}

Real World Examples for Other Quantities of Megajoules:

  1. 10 Megajoules: 10 MJ=10×0.00000027778 GWh=0.0000027778 GWh 10 \, \text{MJ} = 10 \times 0.00000027778 \, \text{GWh} = 0.0000027778 \, \text{GWh}

    • About the energy required to boil around 25 liters of water.

  2. 50 Megajoules: 50 MJ=50×0.00000027778 GWh=0.000013889 GWh 50 \, \text{MJ} = 50 \times 0.00000027778 \, \text{GWh} = 0.000013889 \, \text{GWh}

    • Approximately the kinetic energy of a standard passenger vehicle (about 1500 kg) traveling at 163 km/h (101 mph).

  3. 100 Megajoules: 100 MJ=100×0.00000027778 GWh=0.000027778 GWh 100 \, \text{MJ} = 100 \times 0.00000027778 \, \text{GWh} = 0.000027778 \, \text{GWh}

    • As much energy as a typical household consumes in about three hours.

  4. 1 Gigajoule (which is 1,000 Megajoules): 1,000 MJ=1,000×0.00000027778 GWh=0.00027778 GWh 1,000 \, \text{MJ} = 1,000 \times 0.00000027778 \, \text{GWh} = 0.00027778 \, \text{GWh}

    • Equivalent to the caloric content in approximately 239 liters of gasoline.

  5. 1 Terajoule (which is 1,000,000 Megajoules): 1,000,000 MJ=1,000,000×0.00000027778 GWh=0.27778 GWh 1,000,000 \, \text{MJ} = 1,000,000 \times 0.00000027778 \, \text{GWh} = 0.27778 \, \text{GWh}

    • Equivalent to the energy released by about 239 tons of TNT.

These conversions help in understanding the scale of energy in different contexts, from everyday activities to more extensive industrial or scientific applications.

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 Gigawatt-hours to other unit conversions.

What is megajoules?

A "megajoule" (MJ) is a unit of energy, and it's a big one!

One joule (J) is the amount of energy required to accelerate an object of mass 1 kilogram by a speed of 1 meter per second. It's a small but fundamental unit of measurement.

Now, let's talk about megajoules:

  • One megajoule (MJ) is equal to one million joules.
  • In other words, it's one million times more energy than a single joule.
  • To put this into perspective:
    • The average human walking pace releases about 60 MJ of energy per hour.
    • The kinetic energy of a car traveling at highway speed (about 30 meters per second) is around 5000-6000 MJ.
    • A commercial jet engine produces around 1,000 to 2,000 MJ of thrust per minute.

Megajoules are commonly used in various fields:

  • Energy production and consumption: megajoules are often used to express the energy output or consumption rate of power plants, vehicles, or industrial processes.
  • Physics and engineering: megajoules can represent the kinetic energy of moving objects, like spacecraft or large machinery.
  • Climate science: megajoules are used to quantify the energy associated with greenhouse gas emissions from human activities.

In summary, a megajoule is an enormous unit of energy, representing one million times more power than a single joule. Its usage can be found in various scientific and technical contexts.

What is gigawatt-hours?

A Gigawatt-hour is a unit of energy and its units, GWh, are formed with W for watt and h for hour from SI unit system combined with letter G, metric prefix, for 1,000,000,000 or 10910^9. Its definition, in the context of electricity, is the energy of one watt power flowing for one hour.

Followings equivalent equations are identical but in different units. Please note that factor 10910^9 is representing Giga prefix in GWh unit.

1GWh=109∗Pt=109∗IVt=3600∗109∗J=2.247∗1022∗109eV=8.598∗105∗109cal1 GWh = 10^9*Pt = 10^9*IVt = 3600 * 10^9*J = 2.247 * 10^{22} * 10^9 eV = 8.598*10^5 * 10^9 cal

P−PowerP - Power
t−Time (in hours. Multiply by 3600 to convert to seconds)t - Time \text{ (in hours. Multiply by 3600 to convert to seconds)}
I−CurrentI - Current V−VoltsV - Volts
J−JoulesJ - Joules
eV−ElectronvolteV - Electronvolt
cal−Caloriescal - Calories

Wikipedia page for Kilowatt-hour (watt-hour redirected to kWh) UCI article on Energy Units and Conversions Ian Woofenden's explanation on difference between Watts and Watt-Hours

Complete Megajoules conversion table

Enter # of Megajoules
Convert 1 MJ to other unitsResult
Megajoules to Watt-seconds (MJ to Ws)1000000
Megajoules to Watt-minutes (MJ to Wm)16666.666666667
Megajoules to Watt-hours (MJ to Wh)277.77777777778
Megajoules to Milliwatt-hours (MJ to mWh)277777.77777778
Megajoules to Kilowatt-hours (MJ to kWh)0.2777777777778
Megajoules to Megawatt-hours (MJ to MWh)0.0002777777777778
Megajoules to Gigawatt-hours (MJ to GWh)2.7777777777778e-7
Megajoules to Joules (MJ to J)1000000
Megajoules to Kilojoules (MJ to kJ)1000
Megajoules to Gigajoules (MJ to GJ)0.001
Megajoules to calories (MJ to cal)239005.73613767
Megajoules to Kilocalories (MJ to kcal)239.00573613767

Energy conversions