The megawatt-hour (MWh) is a unit of energy that measures electricity production, consumption, or energy flow over time. It is commonly used to bill large-scale electricity consumers, such as factories or entire cities. To put it into perspective, one megawatt-hour can power about 330 homes for an hour or a single home for 330 hours! In the realm of renewable energy, just one megawatt-hour of wind energy can offset over 1,100 pounds of carbon dioxide emissions—a significant environmental benefit.
Moreover, the world’s energy needs are so vast that in 2022, global electricity consumption soared to over 26,000 terawatt-hours (TWh), where one terawatt-hour equates to one million megawatt-hours. This highlights how crucial units like the MWh are in understanding and managing our energy use and impact.
A kilocalorie, often referred to simply as a “calorie” in the context of food and nutrition, is a unit of energy that equals 1,000 small calories. It’s the measure used to indicate how much energy food can provide to the body, crucial for fueling daily activities and maintaining body functions. Interestingly, the term kilocalorie has its roots in the Latin “calor” meaning heat, as it was originally tied to measuring energy in terms of heating.
In the world of nutrition, one kilocalorie is the amount of energy required to raise the temperature of one kilogram of water by one degree Celsius. Despite the prevalence of kilocalories in diet and health discussions, they were initially developed for scientific purposes during studies on thermodynamics in the 19th century. So, every time you check the calorie content on a food label, you’re engaging with a concept that has been bridging chemistry, physics, and nutrition for centuries!
Megawatt-hours | Kilocalories |
---|---|
0
MWh
|
0
kcal
|
0.1
MWh
|
86042.06501
kcal
|
0.2
MWh
|
172084.13002
kcal
|
0.3
MWh
|
258126.19503
kcal
|
0.4
MWh
|
344168.26004
kcal
|
0.5
MWh
|
430210.32505
kcal
|
0.6
MWh
|
516252.39006
kcal
|
0.7
MWh
|
602294.45507
kcal
|
0.8
MWh
|
688336.52008
kcal
|
0.9
MWh
|
774378.58509
kcal
|
1
MWh
|
860420.6501
kcal
|
1.1
MWh
|
946462.71511
kcal
|
1.2
MWh
|
1032504.78011
kcal
|
1.3
MWh
|
1118546.84512
kcal
|
1.4
MWh
|
1204588.91013
kcal
|
1.5
MWh
|
1290630.97514
kcal
|
1.6
MWh
|
1376673.04015
kcal
|
1.7
MWh
|
1462715.10516
kcal
|
1.8
MWh
|
1548757.17017
kcal
|
1.9
MWh
|
1634799.23518
kcal
|
2
MWh
|
1720841.30019
kcal
|
2.1
MWh
|
1806883.3652
kcal
|
2.2
MWh
|
1892925.43021
kcal
|
2.3
MWh
|
1978967.49522
kcal
|
2.4
MWh
|
2065009.56023
kcal
|
2.5
MWh
|
2151051.62524
kcal
|
2.6
MWh
|
2237093.69025
kcal
|
2.7
MWh
|
2323135.75526
kcal
|
2.8
MWh
|
2409177.82027
kcal
|
2.9
MWh
|
2495219.88528
kcal
|
3
MWh
|
2581261.95029
kcal
|
3.1
MWh
|
2667304.0153
kcal
|
3.2
MWh
|
2753346.08031
kcal
|
3.3
MWh
|
2839388.14532
kcal
|
3.4
MWh
|
2925430.21033
kcal
|
3.5
MWh
|
3011472.27533
kcal
|
3.6
MWh
|
3097514.34034
kcal
|
3.7
MWh
|
3183556.40535
kcal
|
3.8
MWh
|
3269598.47036
kcal
|
3.9
MWh
|
3355640.53537
kcal
|
4
MWh
|
3441682.60038
kcal
|
4.1
MWh
|
3527724.66539
kcal
|
4.2
MWh
|
3613766.7304
kcal
|
4.3
MWh
|
3699808.79541
kcal
|
4.4
MWh
|
3785850.86042
kcal
|
4.5
MWh
|
3871892.92543
kcal
|
4.6
MWh
|
3957934.99044
kcal
|
4.7
MWh
|
4043977.05545
kcal
|
4.8
MWh
|
4130019.12046
kcal
|
4.9
MWh
|
4216061.18547
kcal
|
5
MWh
|
4302103.25048
kcal
|
5.1
MWh
|
4388145.31549
kcal
|
5.2
MWh
|
4474187.3805
kcal
|
5.3
MWh
|
4560229.44551
kcal
|
5.4
MWh
|
4646271.51052
kcal
|
5.5
MWh
|
4732313.57553
kcal
|
5.6
MWh
|
4818355.64054
kcal
|
5.7
MWh
|
4904397.70554
kcal
|
5.8
MWh
|
4990439.77055
kcal
|
5.9
MWh
|
5076481.83556
kcal
|
6
MWh
|
5162523.90057
kcal
|
6.1
MWh
|
5248565.96558
kcal
|
6.2
MWh
|
5334608.03059
kcal
|
6.3
MWh
|
5420650.0956
kcal
|
6.4
MWh
|
5506692.16061
kcal
|
6.5
MWh
|
5592734.22562
kcal
|
6.6
MWh
|
5678776.29063
kcal
|
6.7
MWh
|
5764818.35564
kcal
|
6.8
MWh
|
5850860.42065
kcal
|
6.9
MWh
|
5936902.48566
kcal
|
7
MWh
|
6022944.55067
kcal
|
7.1
MWh
|
6108986.61568
kcal
|
7.2
MWh
|
6195028.68069
kcal
|
7.3
MWh
|
6281070.7457
kcal
|
7.4
MWh
|
6367112.81071
kcal
|
7.5
MWh
|
6453154.87572
kcal
|
7.6
MWh
|
6539196.94073
kcal
|
7.7
MWh
|
6625239.00574
kcal
|
7.8
MWh
|
6711281.07075
kcal
|
7.9
MWh
|
6797323.13576
kcal
|
8
MWh
|
6883365.20076
kcal
|
8.1
MWh
|
6969407.26577
kcal
|
8.2
MWh
|
7055449.33078
kcal
|
8.3
MWh
|
7141491.39579
kcal
|
8.4
MWh
|
7227533.4608
kcal
|
8.5
MWh
|
7313575.52581
kcal
|
8.6
MWh
|
7399617.59082
kcal
|
8.7
MWh
|
7485659.65583
kcal
|
8.8
MWh
|
7571701.72084
kcal
|
8.9
MWh
|
7657743.78585
kcal
|
9
MWh
|
7743785.85086
kcal
|
9.1
MWh
|
7829827.91587
kcal
|
9.2
MWh
|
7915869.98088
kcal
|
9.3
MWh
|
8001912.04589
kcal
|
9.4
MWh
|
8087954.1109
kcal
|
9.5
MWh
|
8173996.17591
kcal
|
9.6
MWh
|
8260038.24092
kcal
|
9.7
MWh
|
8346080.30593
kcal
|
9.8
MWh
|
8432122.37094
kcal
|
9.9
MWh
|
8518164.43595
kcal
|
10
MWh
|
8604206.50096
kcal
|
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