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 of energy
Energy · defined energy model
A little perspective
One litre of petrol is about 4.06 times larger on this measurement.
One litre of petrol: One litre of petrol is a standard quantity of liquid fuel used in combustion engines.
Measurements, assumptions & sources +
A 2,000 kcal food day
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
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.
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Why this measurement?
Why we use 8.368 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 defined energy amount for comparison, not a personal dietary recommendation.
The identifying illustration and the numerical comparison remain separate. How calibrated comparisons work →
Recorded properties
A 2,000 kcal food day dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 8.368 MJ | Not recorded | defined energy model |
Around this scale
Go smaller. Go bigger.
These links use compatible energy records, ordered around the selected value.
Nearest lower value · 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.
Nearest higher value · EnergyOne litre of petrol34 MJOne litre of petrol is a standard quantity of liquid fuel used in combustion engines.Sources and method
Want to check the number?
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.