One litre of petrol
One litre of petrol is a standard quantity of liquid fuel used in combustion engines.
How big is it?
34 MJ of energy
Energy · defined energy model
A little perspective
About the same scale as A 10 kWh day.
A 10 kWh day: This is the amount of electrical energy consumed by a household over the course of one day.
Measurements, assumptions & sources +
One litre of petrol
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.
A 10 kWh day
A chosen daily electrical-energy example. Household use differs widely.
Defined examples — our methodology
The marked energy is calibrated. Unmeasured illustration details are representative.
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Why this measurement?
Why we use 34 MJ
For comparison, this page uses energy. This is labelled defined energy model: an explicit comparison model rather than a claim that every example has the same value.
A rounded 34 MJ lower-heating-value model; fuel composition and conditions affect the value.
The identifying illustration and the numerical comparison remain separate. How calibrated comparisons work →
Recorded properties
One litre of petrol dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 34 MJ | Not recorded | defined energy model |
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Sources and method
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EnergyPhone battery54 kJA phone battery stores electrical energy to power a mobile phone.
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EnergyOne second of sunlight3.828 × 10¹¹ PJThe total energy emitted by the Sun in all directions over one second.
EnergyA 10 kWh day36 MJThis is the amount of electrical energy consumed by a household over the course of one day.
EnergyA 2,000 kcal food day8.368 MJDaily food energy is the chemical energy a person obtains from all food and drink consumed over a day.
EnergyLightning energy model1 GJA lightning energy model represents the total energy released during a single lightning discharge.
EnergyHeat one litre of water334.4 kJHeating one litre of water is the energy required to raise the temperature of a standard amount of water to near boiling.