Megawatt-Hour Conversion Calculator
Enter a value in megawatt-hours below to convert to another unit of energy.
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What Is a Megawatt-Hour?
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A megawatt-hour is a unit used to measure energy.
Megawatt-hours are usually abbreviated as MWh, although the formally adopted expression is MW·h. The abbreviation MW h is also sometimes used. For example, 1 megawatt-hour can be written as 1 MWh, 1 MW·h, or 1 MW h.
In formal expressions, the centered dot (·) or space is used to separate units used to indicate multiplication in an expression and to avoid conflicting prefixes being misinterpreted as a unit symbol.[1]
How Much Is a Megawatt-Hour?
A megawatt-hour is a measure of electrical energy equal to one megawatt, or 1,000,000 watts, of power over a one hour period. Megawatt-hours are a measure of electrical work performed over a period of time, and are often used as a way of measuring energy usage by electric companies.
How to Convert Megawatt-Hours
To convert megawatt-hours to another unit of energy, you need to multiply the value by a conversion factor. A conversion factor is a numerical value used to change the units of a measurement without changing the value.[2]
You can find the conversion factors for megawatt-hours in the conversion table below.
Then, multiply the energy measurement by the conversion factor to find the equivalent value in the desired unit of measurement.
megawatt-hours × conversion factor = result
You can also use a calculator, such as one of the converters below, for the conversion.
Megawatt-Hour Conversion Table
| megawatt-hours | joules | kilojoules | megajoules | gigajoules | calories | kilocalories | megacalories | watt-hours | kilowatt-hours | watt-seconds | british thermal units | million BTU | therms | quads | electronvolts | kiloelectronvolts | megaelectronvolts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 MWh | 3,600,000,000 J | 3,600,000 kJ | 3,600 MJ | 3.6 GJ | 860,420,650 cal | 860,421 kcal | 860.42065 Mcal | 1,000,000 Wh | 1,000 kWh | 3,600,000,000 Ws | 3,412,142 BTU | 3.412142 MMBTU | 34.121416 | 0.0000000034121 | 22,468,999,999,999,999,364,797,825,024 eV | 22,469,000,000,000,001,323,302,912 keV | 22,469,000,000,000,000,786,432 MeV |
| 2 MWh | 7,200,000,000 J | 7,200,000 kJ | 7,200 MJ | 7.2 GJ | 1,720,841,300 cal | 1,720,841 kcal | 1,721 Mcal | 2,000,000 Wh | 2,000 kWh | 7,200,000,000 Ws | 6,824,283 BTU | 6.824283 MMBTU | 68.242833 | 0.0000000068243 | 44,939,000,000,000,002,107,033,780,224 eV | 44,939,000,000,000,003,206,545,408 keV | 44,939,000,000,000,003,407,872 MeV |
| 3 MWh | 10,800,000,000 J | 10,800,000 kJ | 10,800 MJ | 10.8 GJ | 2,581,261,950 cal | 2,581,262 kcal | 2,581 Mcal | 3,000,000 Wh | 3,000 kWh | 10,800,000,000 Ws | 10,236,425 BTU | 10.236425 MMBTU | 102.364249 | 0.000000010236 | 67,407,999,999,999,997,073,785,094,144 eV | 67,408,000,000,000,000,234,881,024 keV | 67,407,999,999,999,995,805,696 MeV |
| 4 MWh | 14,400,000,000 J | 14,400,000 kJ | 14,400 MJ | 14.4 GJ | 3,441,682,600 cal | 3,441,683 kcal | 3,442 Mcal | 4,000,000 Wh | 4,000 kWh | 14,400,000,000 Ws | 13,648,567 BTU | 13.648567 MMBTU | 136.485665 | 0.000000013649 | 89,878,000,000,000,004,214,067,560,448 eV | 89,878,000,000,000,006,413,090,816 keV | 89,878,000,000,000,006,815,744 MeV |
| 5 MWh | 18,000,000,000 J | 18,000,000 kJ | 18,000 MJ | 18 GJ | 4,302,103,250 cal | 4,302,103 kcal | 4,302 Mcal | 5,000,000 Wh | 5,000 kWh | 18,000,000,000 Ws | 17,060,708 BTU | 17.060708 MMBTU | 170.607082 | 0.000000017061 | 112,349,999,999,999,991,720,947,220,480 eV | 112,349,999,999,999,996,531,310,592 keV | 112,350,000,000,000,004,718,592 MeV |
| 6 MWh | 21,600,000,000 J | 21,600,000 kJ | 21,600 MJ | 21.6 GJ | 5,162,523,901 cal | 5,162,524 kcal | 5,163 Mcal | 6,000,000 Wh | 6,000 kWh | 21,600,000,000 Ws | 20,472,850 BTU | 20.47285 MMBTU | 204.728498 | 0.000000020473 | 134,820,000,000,000,007,657,322,708,992 eV | 134,820,000,000,000,002,709,520,384 keV | 134,819,999,999,999,998,951,424 MeV |
| 7 MWh | 25,200,000,000 J | 25,200,000 kJ | 25,200 MJ | 25.2 GJ | 6,022,944,551 cal | 6,022,945 kcal | 6,023 Mcal | 7,000,000 Wh | 7,000 kWh | 25,200,000,000 Ws | 23,884,991 BTU | 23.884991 MMBTU | 238.849914 | 0.000000023885 | 157,290,000,000,000,006,001,512,153,088 eV | 157,289,999,999,999,991,707,860,992 keV | 157,290,000,000,000,009,961,472 MeV |
| 8 MWh | 28,800,000,000 J | 28,800,000 kJ | 28,800 MJ | 28.8 GJ | 6,883,365,201 cal | 6,883,365 kcal | 6,883 Mcal | 8,000,000 Wh | 8,000 kWh | 28,800,000,000 Ws | 27,297,133 BTU | 27.297133 MMBTU | 272.971331 | 0.000000027297 | 179,759,999,999,999,986,753,515,552,768 eV | 179,760,000,000,000,015,065,939,968 keV | 179,759,999,999,999,987,417,088 MeV |
| 9 MWh | 32,400,000,000 J | 32,400,000 kJ | 32,400 MJ | 32.4 GJ | 7,743,785,851 cal | 7,743,786 kcal | 7,744 Mcal | 9,000,000 Wh | 9,000 kWh | 32,400,000,000 Ws | 30,709,275 BTU | 30.709275 MMBTU | 307.092747 | 0.000000030709 | 202,219,999,999,999,986,507,695,783,936 eV | 202,220,000,000,000,015,644,753,920 keV | 202,219,999,999,999,996,854,272 MeV |
| 10 MWh | 36,000,000,000 J | 36,000,000 kJ | 36,000 MJ | 36 GJ | 8,604,206,501 cal | 8,604,207 kcal | 8,604 Mcal | 10,000,000 Wh | 10,000 kWh | 36,000,000,000 Ws | 34,121,416 BTU | 34.121416 MMBTU | 341.214163 | 0.000000034121 | 224,689,999,999,999,984,851,885,228,032 eV | 224,690,000,000,000,004,643,094,528 keV | 224,690,000,000,000,007,864,320 MeV |
| 11 MWh | 39,600,000,000 J | 39,600,000 kJ | 39,600 MJ | 39.6 GJ | 9,464,627,151 cal | 9,464,627 kcal | 9,465 Mcal | 11,000,000 Wh | 11,000 kWh | 39,600,000,000 Ws | 37,533,558 BTU | 37.533558 MMBTU | 375.33558 | 0.000000037534 | 247,159,999,999,999,983,196,074,672,128 eV | 247,159,999,999,999,993,641,435,136 keV | 247,159,999,999,999,985,319,936 MeV |
| 12 MWh | 43,200,000,000 J | 43,200,000 kJ | 43,200 MJ | 43.2 GJ | 10,325,047,801 cal | 10,325,048 kcal | 10,325 Mcal | 12,000,000 Wh | 12,000 kWh | 43,200,000,000 Ws | 40,945,700 BTU | 40.9457 MMBTU | 409.456996 | 0.000000040946 | 269,630,000,000,000,016,724,636,205,056 eV | 269,630,000,000,000,016,999,514,112 keV | 269,629,999,999,999,996,329,984 MeV |
| 13 MWh | 46,800,000,000 J | 46,800,000 kJ | 46,800 MJ | 46.8 GJ | 11,185,468,451 cal | 11,185,468 kcal | 11,185 Mcal | 13,000,000 Wh | 13,000 kWh | 46,800,000,000 Ws | 44,357,841 BTU | 44.357841 MMBTU | 443.578412 | 0.000000044358 | 292,100,000,000,000,015,068,825,649,152 eV | 292,100,000,000,000,005,997,854,720 keV | 292,100,000,000,000,007,340,032 MeV |
| 14 MWh | 50,400,000,000 J | 50,400,000 kJ | 50,400 MJ | 50.4 GJ | 12,045,889,101 cal | 12,045,889 kcal | 12,046 Mcal | 14,000,000 Wh | 14,000 kWh | 50,400,000,000 Ws | 47,769,983 BTU | 47.769983 MMBTU | 477.699829 | 0.00000004777 | 314,570,000,000,000,013,413,015,093,248 eV | 314,570,000,000,000,029,355,933,696 keV | 314,569,999,999,999,984,795,648 MeV |
| 15 MWh | 54,000,000,000 J | 54,000,000 kJ | 54,000 MJ | 54 GJ | 12,906,309,751 cal | 12,906,310 kcal | 12,906 Mcal | 15,000,000 Wh | 15,000 kWh | 54,000,000,000 Ws | 51,182,124 BTU | 51.182124 MMBTU | 511.821245 | 0.000000051182 | 337,039,999,999,999,976,572,832,448,512 eV | 337,040,000,000,000,018,354,274,304 keV | 337,039,999,999,999,995,805,696 MeV |
| 16 MWh | 57,600,000,000 J | 57,600,000 kJ | 57,600 MJ | 57.6 GJ | 13,766,730,402 cal | 13,766,730 kcal | 13,767 Mcal | 16,000,000 Wh | 16,000 kWh | 57,600,000,000 Ws | 54,594,266 BTU | 54.594266 MMBTU | 545.942661 | 0.000000054594 | 359,509,999,999,999,974,917,021,892,608 eV | 359,510,000,000,000,007,352,614,912 keV | 359,510,000,000,000,006,815,744 MeV |
| 17 MWh | 61,200,000,000 J | 61,200,000 kJ | 61,200 MJ | 61.2 GJ | 14,627,151,052 cal | 14,627,151 kcal | 14,627 Mcal | 17,000,000 Wh | 17,000 kWh | 61,200,000,000 Ws | 58,006,408 BTU | 58.006408 MMBTU | 580.064078 | 0.000000058006 | 381,979,999,999,999,973,261,211,336,704 eV | 381,979,999,999,999,996,350,955,520 keV | 381,980,000,000,000,017,825,792 MeV |
| 18 MWh | 64,800,000,000 J | 64,800,000 kJ | 64,800 MJ | 64.8 GJ | 15,487,571,702 cal | 15,487,572 kcal | 15,488 Mcal | 18,000,000 Wh | 18,000 kWh | 64,800,000,000 Ws | 61,418,549 BTU | 61.418549 MMBTU | 614.185494 | 0.000000061419 | 404,449,999,999,999,971,605,400,780,800 eV | 404,449,999,999,999,985,349,296,128 keV | 404,450,000,000,000,028,835,840 MeV |
| 19 MWh | 68,400,000,000 J | 68,400,000 kJ | 68,400 MJ | 68.4 GJ | 16,347,992,352 cal | 16,347,992 kcal | 16,348 Mcal | 19,000,000 Wh | 19,000 kWh | 68,400,000,000 Ws | 64,830,691 BTU | 64.830691 MMBTU | 648.30691 | 0.000000064831 | 426,919,999,999,999,969,949,590,224,896 eV | 426,919,999,999,999,974,347,636,736 keV | 426,919,999,999,999,972,737,024 MeV |
| 20 MWh | 72,000,000,000 J | 72,000,000 kJ | 72,000 MJ | 72 GJ | 17,208,413,002 cal | 17,208,413 kcal | 17,208 Mcal | 20,000,000 Wh | 20,000 kWh | 72,000,000,000 Ws | 68,242,833 BTU | 68.242833 MMBTU | 682.428327 | 0.000000068243 | 449,389,999,999,999,968,293,779,668,992 eV | 449,390,000,000,000,032,065,454,080 keV | 449,389,999,999,999,983,747,072 MeV |
Megawatt-Hour Conversion Calculators
You can also convert energy using one of our megawatt-hour converters below.
You might also find our other electrical calculators useful.
References
- Bureau International des Poids et Mesures, The International System of Units (SI), 9th edition, 2019, https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf
- National Institute of Standards & Technology, Unit Conversion, https://www.nist.gov/pml/owm/metric-si/unit-conversion