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Energy

Just how much energy is 100 megajoules?

Fuel & batteries

100 MJ

Scale

ENERGY STORED OR TRANSFERRED

100 megajoules

The quantity is exact as entered.

100 MJEnergy
0
Electric car battery

An electric car battery stores energy to power an electric vehicle.

216 MJEnergy
0
Bar length represents energy. Equal energy does not imply the same temperature, power or usefulness.

A little perspective

The energy of an electric car battery is about 2.16 times 100 megajoules.

Measurements, assumptions & sources +

100 megajoules

Energy: 100 MJ; definition.

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

NIST — SI conversion factors

Electric car battery

Energy: 216 MJ; defined energy model.

A defined 60 kWh battery; usable capacity and losses vary.

Defined examples — our methodology

The marked energy is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 100 megajoules with the energy of an electric car battery. The notes below explain how each value was chosen.

100 megajoules

100 MJ

Energy · definition

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

Electric car battery

216 MJ

Energy · defined energy model

A defined 60 kWh battery; usable capacity and losses vary.

Comparing
Energy ↔ Energy
Relative size
The energy of an electric car battery is about 2.16 times 100 megajoules. The energy of an electric car battery is approximately 116% greater than 100 megajoules.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

  • The energy of an electric car battery: This is an illustrative comparison value, not a claim that every example is the same.

Energy is an amount; power describes the rate of energy transfer or use.

100,000,000 Jjoules
27.778 kWhkilowatt-hours
23,901 kcalkilocalories

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