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Energy

Just how much energy is 34 megajoules?

Fuel & batteries

34 MJ

Scale

ENERGY STORED OR TRANSFERRED

34 megajoules

The quantity is exact as entered.

34 MJEnergy
0
One litre of petrol

One litre of petrol is a standard quantity of liquid fuel used in combustion engines.

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

A little perspective

34 megajoules is approximately equal to the energy of one litre of petrol.

Measurements, assumptions & sources +

34 megajoules

Energy: 34 MJ; definition.

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

NIST — SI conversion factors

One litre of petrol

Energy: 34 MJ; defined energy model.

A rounded 34 MJ lower-heating-value model; fuel composition and conditions affect the value.

Defined examples — our methodology

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

Measurement details

Why these numbers?

Compare 34 megajoules with the energy of one litre of petrol. The notes below explain how each value was chosen.

34 megajoules

34 MJ

Energy · definition

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

One litre of petrol

34 MJ

Energy · defined energy model

A rounded 34 MJ lower-heating-value model; fuel composition and conditions affect the value.

Comparing
Energy ↔ Energy
Relative size
34 megajoules is approximately equal to the energy of one litre of petrol.

How to read the visual

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

  • The energy of one litre of petrol: 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.

34,000,000 Jjoules
9.4444 kWhkilowatt-hours
8,126.2 kcalkilocalories

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