Heat one litre of water
Heating one litre of water is the energy required to raise the temperature of a standard amount of water to near boiling.
334.4 kJEnergyEveryday quantities
Heat one litre of water vs Phone battery
What are they, and what does the difference actually look like?
Two things. One honest scale.
Meet the pair
What these two things are
Phone battery
A phone battery stores electrical energy to power a mobile phone.
54 kJEnergyHeat one litre of water has about 6.19 times the energy of Phone battery.
01
Heat one litre of water334.4 kJEnergy
02
Phone battery54 kJEnergy
Bar length represents energy. Equal energy does not imply the same temperature, power or usefulness.
Measurements, assumptions & sources +
Heat one litre of water
An ideal model: 1 kg water heated by 80 K at 4,180 J/(kg·K). Excludes heat losses and phase change.
Defined examples — our methodology
The marked energy is calibrated. Unmeasured illustration details are representative.
Phone battery
A defined 15 Wh stored-energy battery. Actual devices and usable energy vary.
Defined examples — our methodology
The marked energy is calibrated. Unmeasured illustration details are representative.
Change the comparison
Put something else beside it.
Measurement details
Why these numbers?
The visual compares energy with energy. The records below preserve each value’s basis and caveats.
Heat one litre of water
334.4 kJEnergy · defined energy model
An ideal model: 1 kg water heated by 80 K at 4,180 J/(kg·K). Excludes heat losses and phase change.
Phone battery
54 kJEnergy · defined energy model
A defined 15 Wh stored-energy battery. Actual devices and usable energy vary.
- Comparing
- Energy ↔ Energy
- Relative size
- Heat one litre of water is larger on this measurement by a factor of about 6.19. Heat one litre of water's selected measurement is approximately 519% greater than Phone battery's.
How to read the visual
The labelled spans and stored measurements determine the scale; unmeasured illustration details do not.
- Heat one litre of water is labelled defined energy model; treat the displayed value as a comparison anchor rather than false precision.
- Phone battery is labelled defined energy model; treat the displayed value as a comparison anchor rather than false precision.
There’s always another scale
Follow your curiosity.
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.EnergyPhone battery54 kJA phone battery stores electrical energy to power a mobile phone.
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.
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.Side by side
Another point of view.
