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Well, E=mc2, so you could get a whole lot of energy if you could somehow make the elements of your body turn into energy.

Considering the human body that would mean a lot of energy(in terms of heat & light)

so depending upon your mass(not weight)

we can find out the energy.

E / m = c2 = (299,792,458 m/s)2 = 89,875,517,873,681,764 J/kg (≈9.0 × 1016 joules per kilogram)

So one gram of mass is equivalent to the following amounts of energy:89.9 terajoules

25.0 million kilowatt-hours (≈25 GW·h)

21.5 billion kilo-calories (≈21 Tcal) [5]

21.5 kilotons of TNT-equivalent energy (≈21 kt) [5]

85.2 billion BTUs

e.g:suppose your mass is 100 Kg = 100,000 g

E=100,000*(299,792,458 m/s)2

E= 25.0 x 105 million kilowatt-hours

which is a lot of energy (maybe enough to annihilate us)

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13y ago
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11y ago

The key is to convert daily caloric intake (which is assumed to be the same as the body's daily energy use) and covert that to joules.

Lets assume your body uses 2500 calories in one day.

One calorie is = 4.2Joules

250,000 calories x (4.2J / calorie) = 10,500kJ per day

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14y ago

The Joule is the unit of energy in the SI system. The basic definition is the energy used or work done in moving 1 meter against a force of 1 Newton.

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13y ago

That depends on the person's age, weight, health, metabolism, activity (job), etc.

Typically somewhere between 1,500 and 4,000 Calories per day.

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16y ago

Guesstimate: 10 horse power a day.

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15y ago

2543.6 at most

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11y ago

Depends what you do during the day.

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Q: How much energy does the human body have?
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