1,000,000 electronvolts
1.602 × 10⁻¹³ JEnergy · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Energy
Just how much energy is 1,000,000 electronvolts?
Molecular
1,000,000 eV
ENERGY STORED OR TRANSFERRED
1,000,000 electronvolts
The quantity is exact as entered.
1.602 × 10⁻¹³ JEnergy
0
Deuterium–tritium fusion reaction energy
Deuterium–tritium fusion reaction energy is the amount of energy released when a deuterium nucleus fuses with a tritium nucleus, producing a neutron and an alpha particle.
2.82 × 10⁻¹² JReleased energy per reaction
0
Bar length represents energy. Equal energy does not imply the same temperature, power or usefulness.
A little perspective
The energy released by a deuterium–tritium fusion reaction is about 17.6 times 1,000,000 electronvolts.
Measurements, assumptions & sources +
1,000,000 electronvolts
Energy: 1.602 × 10⁻¹³ J; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Deuterium–tritium fusion reaction energy
Released energy per reaction: 2.82 × 10⁻¹² J; specified; range 2.81 × 10⁻¹² J–2.83 × 10⁻¹² J.
One D–T fusion reaction releases about 17.6 MeV, or 2.82 × 10⁻¹² J, shared mainly by a neutron and an alpha particle. This is per reaction, not reactor output.
IAEA — Deuterium–tritium fusion
The marked released energy per reaction is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 1,000,000 electronvolts with the energy released by a deuterium–tritium fusion reaction. The notes below explain how each value was chosen.
Deuterium–tritium fusion reaction energy
2.82 × 10⁻¹² JReleased energy per reaction · specified · range 2.81 × 10⁻¹² J–2.83 × 10⁻¹² J
One D–T fusion reaction releases about 17.6 MeV, or 2.82 × 10⁻¹² J, shared mainly by a neutron and an alpha particle. This is per reaction, not reactor output.
- Comparing
- Energy ↔ Released energy per reaction
- Relative size
- The energy released by a deuterium–tritium fusion reaction is about 17.6 times 1,000,000 electronvolts.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
- We use 2.82 × 10⁻¹² J for the energy released by a deuterium–tritium fusion reaction; the recorded range is 2.81 × 10⁻¹² J–2.83 × 10⁻¹² J.
Energy is an amount; power describes the rate of energy transfer or use.
1.6022 × 10⁻¹³ Jjoules
4.4505 × 10⁻²⁰ kWhkilowatt-hours
3.8293 × 10⁻¹⁷ kcalkilocalories
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