A 2,000 kcal food day
Daily food energy is the chemical energy a person obtains from all food and drink consumed over a day.
How big is it?
8.368 MJ · energy
Energy · defined energy model
A little perspective
A 2,000 kcal food day vs One litre of petrol: energy comparison
The energy of one litre of petrol is about 4.06 times the energy of a 2,000 kcal food day.
ENERGY STORED OR TRANSFERRED
Daily food energy is the chemical energy a person obtains from all food and drink consumed over a day.
One litre of petrol is a standard quantity of liquid fuel used in combustion engines.
Measurements, assumptions & sources +
A 2,000 kcal food day
Energy: 8.368 MJ; defined energy model.
A defined energy amount for comparison, not a personal dietary recommendation.
Defined examples — our methodology
The marked energy is calibrated. Unmeasured illustration details are representative.
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.
Use the visual comparison to explore its scale, then check the measurements and sources.
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Why this measurement?
Why we use 8.368 MJ
We compare the energy of a 2,000 kcal food day. This is an illustrative comparison value, not a claim that every example is the same.
A defined energy amount for comparison, not a personal dietary recommendation.
The picture identifies the subject; the diagram compares the recorded values. How calibrated comparisons work →
Recorded properties
Dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 8.368 MJ | Not recorded | defined energy model |
Around this scale
Explore nearby values.
Compare examples with lower, similar and higher values. Each card names the measurement being compared.
Nearest lower valueEnergyHeat one litre of water334.4 kJEnergyHeating one litre of water is the energy required to raise the temperature of a standard amount of water to near boiling.
Nearest higher valueEnergyOne litre of petrol34 MJEnergyOne litre of petrol is a standard quantity of liquid fuel used in combustion engines.Sources and method
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The source records and measurement method remain available for inspection.
There’s always another scale
Follow your curiosity.
EnergyFood kilocalorie4.184 kJA food kilocalorie is the energy needed to raise the temperature of one kilogram of water by one degree Celsius, used to express food energy.
EnergyPhone battery54 kJA phone battery stores electrical energy to power a mobile phone.
EnergyElectric car battery216 MJAn electric car battery stores energy to power an electric vehicle.
EnergyOne second of sunlight3.828 × 10¹¹ PJThe total energy emitted by the Sun in all directions over one second.EnergyOne litre of petrol34 MJOne litre of petrol is a standard quantity of liquid fuel used in combustion engines.
EnergyA 10 kWh day36 MJThis is the amount of electrical energy consumed by a household over the course of one day.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.
EnergyLaptop battery216 kJA laptop battery supplies electrical energy to a portable computer.