calories to Megawatt-hours conversion

calories to Megawatt-hours conversion table

calories (cal)Megawatt-hours (MWh)
00
11.1622222222222e-9
22.3244444444444e-9
33.4866666666667e-9
44.6488888888889e-9
55.8111111111111e-9
66.9733333333333e-9
78.1355555555556e-9
89.2977777777778e-9
91.046e-8
101.1622222222222e-8
202.3244444444444e-8
303.4866666666667e-8
404.6488888888889e-8
505.8111111111111e-8
606.9733333333333e-8
708.1355555555556e-8
809.2977777777778e-8
901.046e-7
1001.1622222222222e-7
10000.000001162222222222

How to convert calories to megawatt-hours?

A calorie is a unit of energy often used to measure the energy content of food. One calorie is defined as the amount of energy needed to raise the temperature of one gram of water by one degree Celsius. In the context of energy conversion, especially for larger energy scales, it's often necessary to convert calories (or kilocalories) to other units such as megawatt-hours (MWh).

To convert 1 calorie to megawatt-hours, follow these steps:

  1. Convert calories to joules: 1 calorie = 4.184 joules.

  2. Convert joules to kilowatt-hours: 1 kilowatt-hour (kWh) = 3,600,000 joules (since there are 3,600 seconds in an hour and 1 watt = 1 joule/second). 1 calorie=4.184 joules \text{1 calorie} = 4.184 \text{ joules}

    1 calorie×1 kWh3,600,000 joules=1.162×106 kWh \text{1 calorie} \times \frac{1 \text{ kWh}}{3,600,000 \text{ joules}} = 1.162 \times 10^{-6} \text{ kWh}

  3. Convert kilowatt-hours to megawatt-hours: 1 megawatt-hour (MWh) = 1,000 kilowatt-hours (kWh). 1.162×106 kWh×1 MWh1,000 kWh=1.162×109 MWh 1.162 \times 10^{-6} \text{ kWh} \times \frac{1 \text{ MWh}}{1,000 \text{ kWh}} = 1.162 \times 10^{-9} \text{ MWh}

So, 1 calorie is equal to 1.162×1091.162 \times 10^{-9} MWh.

Real World Examples for Other Quantities of Calories

  1. Daily Caloric Intake:

    • An average adult might consume about 2000 kilocalories (kcal) per day.
    • 2000 kilocalories (2000 kcal) = 2000 × 4184 joules = 8,368,000 joules.
    • Convert to MWh: 8,368,000 joules×1 kWh3,600,000 joules=2.324 kWh 8,368,000 \text{ joules} \times \frac{1 \text{ kWh}}{3,600,000 \text{ joules}} = 2.324 \text{ kWh} 2.324 kWh×1 MWh1,000 kWh0.002324 MWh 2.324 \text{ kWh} \times \frac{1 \text{ MWh}}{1,000 \text{ kWh}} ≈ 0.002324 \text{ MWh}
  2. Burning a Chocolate Bar:

    • A typical chocolate bar might contain about 250 kilocalories (kcal).
    • 250 kilocalories (250 kcal) = 250 × 4184 joules = 1,046,000 joules.
    • Convert to MWh: 1,046,000 joules×1 kWh3,600,000 joules0.2906 kWh 1,046,000 \text{ joules} \times \frac{1 \text{ kWh}}{3,600,000 \text{ joules}} ≈ 0.2906 \text{ kWh} 0.2906 kWh×1 MWh1,000 kWh0.000291 MWh 0.2906 \text{ kWh} \times \frac{1 \text{ MWh}}{1,000 \text{ kWh}} ≈ 0.000291 \text{ MWh}
  3. Running a Marathon:

    • A marathon runner might burn about 2600 kilocalories during the race.
    • 2600 kilocalories (2600 kcal) = 2600 × 4184 joules = 10,878,400 joules.
    • Convert to MWh: 10,878,400 joules×1 kWh3,600,000 joules3.022 kWh 10,878,400 \text{ joules} \times \frac{1 \text{ kWh}}{3,600,000 \text{ joules}} ≈ 3.022 \text{ kWh} 3.022 kWh×1 MWh1,000 kWh0.003022 MWh 3.022 \text{ kWh} \times \frac{1 \text{ MWh}}{1,000 \text{ kWh}} ≈ 0.003022 \text{ MWh}

By following these conversions, you can see the relationship between calories and megawatt-hours for various quantities of calories in everyday contexts.

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 Megawatt-hours to other unit conversions.

What is calories?

Calories are a unit of measurement that represents the amount of energy your body gets from consuming food and drinks. In other words, they measure the energy content of what you eat.

Here's how it works:

  1. Your body uses calories to function: To grow, repair tissues, and maintain basic bodily functions (like beating your heart or breathing), your body needs a certain amount of energy.
  2. Food provides that energy: When you eat food, the carbohydrates, proteins, and fats in those foods are broken down into different forms of energy. This process is called metabolism.
  3. Calories represent that energy: The total amount of energy from these processes is measured in calories (or kilocalories). One calorie is equal to 4.184 joules.

Think of it like this:

  • A car engine needs gasoline to run, and a certain amount of gasoline provides a specific amount of energy.
  • Similarly, your body "runs" on the energy provided by the foods you eat. The more calories in those foods, the more energy they provide for your bodily functions.

Here are some common examples of calorie sources:

  • 1 banana: approximately 100-110 calories
  • 1 apple: around 95 calories
  • 1 cup of cooked rice: about 200-250 calories

When you consume a certain amount of calories, your body uses that energy to perform various functions. Excess calories can lead to weight gain if not balanced with physical activity or burned off through exercise.

Does this help clarify what calories are?

What is megawatt-hours?

A Megawatt-hour is a unit of energy and its units, MWh, are formed with W for watt and h for hour from SI unit system combined with letter M, metric prefix, for 1,000,000 or 10610^6. 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 10610^6 is representing Mega prefix in MWh unit.

1MWh=106Pt=106IVt=3600106J=2.2471022106eV=8.598105106cal1 MWh = 10^6*Pt = 10^6*IVt = 3600 * 10^6*J = 2.247 * 10^{22} * 10^6 eV = 8.598*10^5 * 10^6 cal

PPowerP - Power
tTime (in hours. Multiply by 3600 to convert to seconds)t - Time \text{ (in hours. Multiply by 3600 to convert to seconds)}
ICurrentI - Current VVoltsV - Volts
JJoulesJ - Joules
eVElectronvolteV - Electronvolt
calCaloriescal - 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 calories conversion table

Enter # of calories
Convert 1 cal to other unitsResult
calories to Watt-seconds (cal to Ws)4.184
calories to Watt-minutes (cal to Wm)0.06973333333333
calories to Watt-hours (cal to Wh)0.001162222222222
calories to Milliwatt-hours (cal to mWh)1.1622222222222
calories to Kilowatt-hours (cal to kWh)0.000001162222222222
calories to Megawatt-hours (cal to MWh)1.1622222222222e-9
calories to Gigawatt-hours (cal to GWh)1.1622222222222e-12
calories to Joules (cal to J)4.184
calories to Kilojoules (cal to kJ)0.004184
calories to Megajoules (cal to MJ)0.000004184
calories to Gigajoules (cal to GJ)4.184e-9
calories to Kilocalories (cal to kcal)0.001