Gigajoule to Electronvolt Converter
Energy · unit-converter
Convert Gigajoule to Electronvolt with fixed input and output units, a step-by-step formula line, and reference tables. Factors are joule-based; food energy uses thermochemical calories. The full Energy Converter also includes MMBtu, toe, thermal kWh, and MeV/GeV.
Calculator
From: Gigajoule (gj)
To: Electronvolt (ev)
About Gigajoule
One gigajoule is 1,000,000,000 J. Utility-scale and fuel-system reporting commonly use GJ.
About Electronvolt
The electronvolt is the energy change of one elementary charge across 1 V: 1 eV ≈ 1.602176634×10⁻¹⁹ J (exact by SI definition). Used in particle physics and chemistry.
How to convert gigajoules to electronvolts
1 gigajoule is equal to 6.24150907e+27 electronvolt when both are expressed in joule-equivalents:
1 gj = (1,000,000,000 J ÷ 1.602176634e-19 J) ev = 6.24150907e+27 ev
Each gigajoule is defined as 1,000,000,000 J and each electronvolt as 1.602176634e-19 J in this tool, so one gj equals 1,000,000,000 ÷ 1.602176634e-19 ev = 6.24150907e+27 ev.
Let d(gj) be the numeric amount in Gigajoule (gj), and d(ev) the amount in Electronvolt (ev). Then:
d(ev) = d(gj) × (1,000,000,000 / 1.602176634e-19)
Equivalently, divide by how many gj fit into one ev (joules per ev divided by joules per gj):
d(ev) = d(gj) ÷ 1.60217663e-28
Or: electronvolt = gigajoule ÷ 1.60217663e-28
Examples
Example #1: Convert 1 gj to electronvolt
1 gj = 1 gj × (1,000,000,000/1.602176634e-19) ev = 6.24150907446e+27 ev
1 gj = 1 gj ÷ 1.60217663e-28 = 6.24150907446e+27 ev
Example #2: Convert 10 gj to electronvolt
10 gj = 10 gj × (1,000,000,000/1.602176634e-19) ev = 6.24150907446e+28 ev
10 gj = 10 gj ÷ 1.60217663e-28 = 6.24150907446e+28 ev
Summary
To convert Gigajoule to Electronvolt, multiply the value in gj by the ratio of joules per gj divided by joules per ev. Equivalently: value_ev = value_gj × (1000000000 / 1.602176634e-19). Numerically, 1 gj equals 6.241509074460763e+27 ev.
Relationship context
You are converting between SI energy (joules) (Gigajoules) and atomic-scale energy (electronvolts) (Electronvolts). All values are mapped through joules first. The numeric factor is 6.241509e+27.
Conversion tables
| Gigajoule (gj) | Electronvolt (ev) |
|---|---|
| 0.1 | 6.24150907446e+26 |
| 1 | 6.24150907446e+27 |
| 2 | 1.24830181489e+28 |
| 3 | 1.87245272234e+28 |
| 4 | 2.49660362978e+28 |
| 5 | 3.12075453723e+28 |
| 6 | 3.74490544468e+28 |
| 7 | 4.36905635212e+28 |
| 8 | 4.99320725957e+28 |
| 9 | 5.61735816701e+28 |
| Gigajoule (gj) | Electronvolt (ev) |
|---|---|
| 10 | 6.24150907446e+28 |
| 20 | 1.24830181489e+29 |
| 30 | 1.87245272234e+29 |
| 40 | 2.49660362978e+29 |
| 50 | 3.12075453723e+29 |
| 60 | 3.74490544468e+29 |
| 70 | 4.36905635212e+29 |
| 80 | 4.99320725957e+29 |
| 90 | 5.61735816701e+29 |
| 100 | 6.24150907446e+29 |