Electronvolt to Megajoule Converter
Energy · unit-converter
Convert Electronvolt to Megajoule 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: Electronvolt (ev)
To: Megajoule (mj)
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.
About Megajoule
One megajoule is 1,000,000 J. It is common in fuel-content and engineering thermal calculations.
How to convert electronvolts to megajoules
1 electronvolt is equal to 1.60217663e-25 megajoule when both are expressed in joule-equivalents:
1 ev = (1.602176634e-19 J ÷ 1,000,000 J) mj = 1.60217663e-25 mj
Each electronvolt is defined as 1.602176634e-19 J and each megajoule as 1,000,000 J in this tool, so one ev equals 1.602176634e-19 ÷ 1,000,000 mj = 1.60217663e-25 mj.
Let d(ev) be the numeric amount in Electronvolt (ev), and d(mj) the amount in Megajoule (mj). Then:
d(mj) = d(ev) × (1.602176634e-19 / 1,000,000)
Equivalently, divide by how many ev fit into one mj (joules per mj divided by joules per ev):
d(mj) = d(ev) ÷ 6.24150907e+24
Or: megajoule = electronvolt ÷ 6.24150907e+24
Examples
Example #1: Convert 1 ev to megajoule
1 ev = 1 ev × (1.602176634e-19/1,000,000) mj = 0 mj
1 ev = 1 ev ÷ 6.24150907e+24 = 0 mj
Example #2: Convert 10 ev to megajoule
10 ev = 10 ev × (1.602176634e-19/1,000,000) mj = 0 mj
10 ev = 10 ev ÷ 6.24150907e+24 = 0 mj
Summary
To convert Electronvolt to Megajoule, multiply the value in ev by the ratio of joules per ev divided by joules per mj. Equivalently: value_mj = value_ev × (1.602176634e-19 / 1000000). Numerically, 1 ev equals 1.602176634e-25 mj.
Relationship context
You are converting between atomic-scale energy (electronvolts) (Electronvolts) and SI energy (joules) (Megajoules). All values are mapped through joules first. The numeric factor is 1.602177e-25.
Conversion tables
| Electronvolt (ev) | Megajoule (mj) |
|---|---|
| 0.1 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| Electronvolt (ev) | Megajoule (mj) |
|---|---|
| 10 | 0 |
| 20 | 0 |
| 30 | 0 |
| 40 | 0 |
| 50 | 0 |
| 60 | 0 |
| 70 | 0 |
| 80 | 0 |
| 90 | 0 |
| 100 | 0 |